CN219041832U - Double-deck waterproof mobile terminal protective housing of track pincers formula - Google Patents

Abstract

The utility model provides a track clamp type double-layer waterproof mobile terminal protective shell, which comprises a main shell and a transparent front cover, wherein the main shell is provided with a containing groove for containing a mobile terminal; the main shell is provided with a groove along the circumference of the accommodating groove, the transparent front cover is provided with a clamping bone matched with the groove, and the clamping bone is inserted into the groove; a first soft rubber ring surrounding the groove is arranged between the first inner side wall of the groove and the first clamping bone side wall of the clamping bone facing the first inner side wall, and the first inner side wall is in interference fit with the first clamping bone side wall through the first soft rubber ring; a second soft rubber ring surrounding the groove is arranged between the second inner side wall of the groove and the second clamping rib side wall of the clamping rib facing the second inner side wall, and the second inner side wall is in interference fit with the second clamping rib side wall through the second soft rubber ring. The track clamp type double-layer waterproof mobile terminal protective housing can improve waterproof performance.

Description

Double-deck waterproof mobile terminal protective housing of track pincers formula

Technical Field

The utility model relates to the technical field of mobile terminal protective cases, in particular to a track clamping type double-layer waterproof mobile terminal protective case.

Background

At present, the protective housing structural design of mobile terminals such as mobile phones or flat plates can only generally surround and protect the frame and the back of the mobile terminals, and the mobile terminal protective housing with the structure has no waterproof function, so that when a user encounters heavy rain weather, swimming or diving activities, the mobile terminal protective housing can not waterproof and protect the mobile terminals.

In order to overcome the above-mentioned drawbacks, some waterproof mobile terminal protective cases or mobile terminal protective cases are appeared on the market. The utility model provides a scheme sets up buckling structure and connects at the preceding shell part of mobile terminal protective housing and back preceding shell part to the position of preceding shell part and the preceding shell part lock contact in back sets up the elastic soft gum and carries out waterproofly, but only one deck waterproof function in this kind of scheme, and when the casing receives expend with heat and contract with cold and influences overall dimension change, perhaps fall the striking when warping, or in long-term use, need normally open cell-phone shell, thereby when leading to the buckling position of preceding shell part and back preceding shell part can take place deformation, the position of the unable sealed lock contact of elastic soft gum, waterproof function can drop even become invalid, thereby reduce waterproof performance.

Disclosure of Invention

The utility model mainly aims to provide a track clamp type double-layer waterproof mobile terminal protective shell with improved waterproof performance.

In order to achieve the main purpose, the track clamp type double-layer waterproof mobile terminal protective shell provided by the utility model comprises a main shell and a transparent front cover, wherein the main shell is provided with a containing groove for containing a mobile terminal, and the transparent front cover is covered on an opening of the containing groove; the main shell is provided with a groove along the circumference of the accommodating groove, the transparent front cover is provided with a clamping bone matched with the groove, and the clamping bone is inserted into the groove; a first soft rubber ring surrounding the groove is arranged between the first inner side wall of the groove and the first clamping bone side wall of the clamping bone facing the first inner side wall, and the first inner side wall is in interference fit with the first clamping bone side wall through the first soft rubber ring; a second soft rubber ring surrounding the groove is arranged between the second inner side wall of the groove and the second clamping rib side wall of the clamping rib facing the second inner side wall, and the second inner side wall is in interference fit with the second clamping rib side wall through the second soft rubber ring.

According to the track clamp type double-layer waterproof mobile terminal protective shell, the groove is formed in the main shell along the circumferential direction of the accommodating groove, the first soft rubber ring surrounding the groove is arranged between the first inner side wall of the groove and the first clamping rib side wall of the clamping rib facing the first inner side wall, and the second soft rubber ring surrounding the groove is arranged between the second inner side wall of the groove and the second clamping rib side wall of the clamping rib facing the second inner side wall, so that the clamping rib can be tightly pressed in a side pressure clamping mode through the first soft rubber ring and the second soft rubber ring, and can deform along with the deformation of the main shell, the clamping rib is not influenced by the conditions of environmental expansion and contraction size change, falling impact deformation and the like, the clamping rib is guaranteed to be tightly pressed, the sealing function is achieved, and in addition, the double sealing waterproof function can be achieved through the first soft rubber ring and the second soft rubber ring, and the waterproof performance is improved. Moreover, the waterproof protective housing is easy and convenient to assemble and disassemble, and is not required to be fixed by a lock screw and a buckle.

In a further scheme, the first soft rubber ring is arranged on the first inner side wall, the second soft rubber ring is arranged on the second inner side wall, and the first soft rubber ring and the second soft rubber ring are oppositely arranged.

Therefore, the first soft rubber ring is arranged on the first inner side wall, the second soft rubber ring is arranged on the second inner side wall, and loss of the soft rubber ring in the using process can be reduced.

In a further scheme, the main shell comprises a soft rubber part and a hard rubber part, and the soft rubber part is arranged along the periphery of the hard rubber part in a surrounding way; the holding groove and the groove are located the hard rubber portion, and the first soft rubber ring, the second soft rubber ring and the soft rubber portion are integrally arranged.

Therefore, the main shell is provided with the soft rubber part in a surrounding manner at the periphery of the hard rubber part, so that the damping and anti-falling effects can be achieved, and meanwhile, the first soft rubber ring, the second soft rubber ring and the soft rubber part are integrally arranged, so that the sealing grade can be conveniently improved, and the space advantage of the structural size can be simplified and reduced.

In a further scheme, the first soft rubber ring is arranged on the side wall of the first clamping rib, the second soft rubber ring is arranged on the side wall of the second clamping rib, and the first soft rubber ring and the second soft rubber ring are arranged in a back-to-back mode.

Therefore, the first soft rubber ring and the second soft rubber ring are arranged on the second clamping rib, so that the soft rubber ring deforms along with the clamping rib, and the clamping rib is convenient to insert into the groove.

In a further scheme, the clamping frame is sleeved with a soft rubber sleeve, and the first soft rubber ring, the second soft rubber ring and the soft rubber sleeve are integrally arranged.

Therefore, the clamping frame is sleeved with the soft rubber sleeve, the first soft rubber ring, the second soft rubber ring and the soft rubber sleeve are integrally arranged, the first soft rubber ring and the second soft rubber ring can be conveniently installed on the clamping frame, and meanwhile, the sealing grade is improved, and the structural size and space advantages are simplified and reduced.

In a further scheme, the main casing is provided with loudspeaker through-hole, is used for closing or opening the switch board of loudspeaker through-hole and encircles the first sealing washer that sets up in the circumference of loudspeaker through-hole, and loudspeaker through-hole communicates with each other with the holding tank, switch board and first sealing washer interference fit.

Therefore, through setting up the loudspeaker through-hole, being used for closing or opening the flush mounting plate of loudspeaker through-hole and encircle the first sealing washer of setting up in the circumference of loudspeaker through-hole, when closing loudspeaker through-hole, flush mounting plate and first sealing washer pass through interference fit, can play sealed waterproof effect, simultaneously, when opening, can also not influence tone quality and the volume of loudspeaker broadcast.

In a further scheme, a guide groove is formed in the horn through hole, a guide block is arranged on the switch plate, the guide block is slidably clamped in the guide groove, and the switch plate can slidably close or open the horn through hole.

Therefore, the switch plate can slidably close or open the horn through hole, the volume of the main shell can be reduced, and meanwhile, the stability of the sealing waterproof effect can be ensured by utilizing the structural arrangement of the guide groove and the guide block.

In the further scheme, the second sealing ring is further arranged on the periphery of one side of the accommodating groove of the horn through hole, and the second sealing ring protrudes towards the direction of the accommodating groove.

Therefore, the second sealing ring is arranged on one side of the accommodating groove at the horn through hole and protrudes towards the direction of the accommodating groove, and the second sealing ring can be abutted against the shell of the mobile terminal when the mobile terminal is mounted in the accommodating groove, so that the second layer of sealing waterproof effect can be achieved.

In a further scheme, a charging port through hole and a plug for sealing the charging port through hole are further arranged on the main shell, the plug can be inserted into the charging port through hole in a pluggable manner, and a part of the plug is inserted into the accommodating groove; a clamping protrusion is arranged on one side of the main shell opposite to the charging port through hole and is positioned in the accommodating groove and close to the opening.

Therefore, the plug used for sealing the charging port through hole is arranged, the charging port through hole can be sealed, and meanwhile, when the mobile terminal is mounted in the accommodating groove, a part of the plug is inserted into the charging port of the mobile terminal, and meanwhile, the plug is matched with the accommodating groove to be close to the clamping bulge at the opening position, so that the mobile terminal can be further fixed, and the mobile terminal is prevented from falling out of the protective shell when being impacted by external force.

In a further scheme, transparent protecgulum includes narrow limit decoration, toughened glass membrane and adsorption film, and narrow limit decoration point gum is installed in the periphery of toughened glass membrane, and the adsorption film is installed in one side of toughened glass membrane orientation holding tank.

Therefore, the transparent front cover is provided with the toughened glass film, so that the mobile terminal can be conveniently protected, meanwhile, the mobile terminal can be operated and used, the adsorption film is arranged on one side of the toughened glass film, which faces the accommodating groove, and after the main shell is covered by the transparent front cover, the transparent front cover can be conveniently and automatically adsorbed and attached to a screen of the mobile terminal through the adsorption film, so that the display and operation of the mobile terminal achieve the optimal effect.

Drawings

Fig. 1 is a block diagram of a first embodiment of a track grip type double-layered waterproof protective case for a mobile terminal according to the present utility model.

Fig. 2 is a structural exploded view of a first embodiment of a track grip type double-layered waterproof mobile terminal protective case of the present utility model.

Fig. 3 is an exploded view of the main housing in the first embodiment of the track grip type double-layered waterproof mobile terminal protective case of the present utility model.

Fig. 4 is an exploded view of a transparent front cover in a first embodiment of a track grip type double-layered waterproof protective case for a mobile terminal according to the present utility model.

Fig. 5 is a structural sectional view of the track grip type double-layered waterproof mobile terminal protective case of the present utility model in an exploded state.

Fig. 6 is an enlarged view at a in fig. 5.

Fig. 7 is a structural sectional view of a groove and a clamping rib in a state that a main casing and a transparent front cover are covered by a first embodiment of a track clamp type double-layer waterproof mobile terminal protective casing according to the present utility model.

Fig. 8 is an exploded view of a view of one side of a speaker through hole in a first embodiment of a double-layered waterproof protective case for a mobile terminal according to a track grip type of the present utility model.

Fig. 9 is an exploded view of another view of one side of the speaker through hole in the first embodiment of the track grip type double-layered waterproof mobile terminal protective case according to the present utility model.

Fig. 10 is a structural sectional view of a speaker through hole and a switch board in the first embodiment of the track clamp type double-layer waterproof mobile terminal protective case of the present utility model.

Fig. 11 is a structural sectional view of the track-clamp-type double-layer waterproof mobile terminal protective case of the present utility model in a state in which the switch board opens the speaker through-hole.

Fig. 12 is a structural sectional view of the track-clamp-type double-layer waterproof mobile terminal protective case of the present utility model in a state in which the switch board opens the speaker through-hole.

Fig. 13 is a structural cross-sectional view of one side of a speaker through hole in the first embodiment of the track grip type double-layered waterproof mobile terminal protective case of the present utility model.

Fig. 14 is an enlarged view at B in fig. 3.

Fig. 15 is a structural exploded view of a second embodiment of the track-clamp-type double-layer waterproof mobile terminal protective case of the present utility model.

Fig. 16 is an exploded view of a transparent front cover in a second embodiment of a track grip type double-layered waterproof protective case for a mobile terminal according to the present utility model.

Fig. 17 is a structural sectional view of a groove and a clamping rib in a separated state of a main housing and a transparent front cover in a second embodiment of a track clamp type double-layer waterproof mobile terminal protective housing according to the present utility model.

Fig. 18 is a sectional view showing a structure of a groove and a clamping rib in a state where a main housing and a transparent front cover are covered in a second embodiment of a track clip type double-layered waterproof mobile terminal protective housing according to the present utility model.

The utility model is further described below with reference to the drawings and examples.

Detailed Description

Double-deck waterproof mobile terminal protective housing first embodiment of track pincers formula:

as shown in fig. 1 and 2, in the present embodiment, the track clamp type double-layer waterproof mobile terminal protective case includes a main case 1 and a transparent front cover 2, the main case 1 is provided with a receiving groove 13 for receiving a mobile terminal, and the transparent front cover 2 is covered on an opening of the receiving groove 13. The mobile terminal can be a mobile phone or a tablet computer, etc. Referring to fig. 3, the main casing 1 includes a hard rubber portion 11 and a soft rubber portion 12, the soft rubber portion 12 is circumferentially disposed along an outer circumference of the hard rubber portion 11, and the accommodating groove 13 is located in the hard rubber portion 11, preferably, in order to improve sealability, the hard rubber portion 11 and the soft rubber portion 12 are integrally disposed. Referring to fig. 4, the transparent front cover 2 includes a narrow-side decoration 21, a tempered glass film 22, and an adsorption film 23, the narrow-side decoration 21 is mounted on the outer circumference of the tempered glass film 22 by dispensing, that is, the narrow-side decoration 21 is bonded with the tempered glass film 22 by glue, the adsorption film 23 is mounted on the side of the tempered glass film 22 facing the receiving groove 13, and the tempered glass film 22 is bonded with the adsorption film 23 by UV glue.

Referring to fig. 5, 6 and 7, the main housing 1 is provided with a groove 14 along the circumferential direction of the accommodating groove 12, the groove 14 is located at the hard rubber portion 11, and the groove 14 is provided in a rail clamp type structure. The transparent front cover 2 is provided with a clamping rib 211 matched with the groove 14, the clamping rib 211 is inserted into the groove 14, the clamping rib 211 is located on the narrow-edge decorating part 21, a first soft rubber ring 143 surrounding the groove 14 is arranged between a first inner side wall 141 of the groove 14 and a first clamping rib side wall 2111 of the clamping rib 211 facing the first inner side wall 141, the first inner side wall 141 is in interference fit with the first clamping rib side wall 2111 through the first soft rubber ring 143, a second soft rubber ring 144 surrounding the groove 14 is arranged between a second inner side wall 142 of the groove 14 and a second clamping rib side wall 2112 of the clamping rib 211 facing the second inner side wall 142, and the second inner side wall 142 is in interference fit with the second clamping rib side wall 2112 through the second soft rubber ring 144. The first soft rubber ring 143 is disposed on the first inner sidewall 141, the second soft rubber ring 144 is disposed on the second inner sidewall 142, and the first soft rubber ring 143 and the second soft rubber ring 144 are disposed opposite to each other. The sides of the first soft rubber ring 143 and the second soft rubber ring 144 facing the clamping rib 211 are planes. One end of the clamping rib 211 inserted into the groove 14 is provided with a first chamfering structure, and the first soft rubber ring 143 and the second soft rubber ring 144 are provided with a second chamfering structure matched with the first chamfering structure, so that the clamping rib 211 is convenient to insert into the groove 14.

Referring to fig. 8, 9 and 10, the main housing 1 is provided with a speaker through hole 15, a switch plate 3 for closing or opening the speaker through hole 15, and a first seal ring 151 disposed circumferentially around the speaker through hole 15, the speaker through hole 15 communicating with the accommodation groove 13, the switch plate 3 being interference-fitted with the first seal ring 151, the switch plate 3 being fitted with the first seal ring 151 to seal the speaker through hole 15 when the switch plate 3 closes the speaker through hole 15. The first seal 151 may be integrally provided with the soft rubber portion of the main casing 1, or may be mounted on the main casing 1 as a separate member. In this embodiment, a guide groove 152 is provided in the speaker through hole 15, the switch board 3 is provided with a guide block 31, the guide block 31 is slidably clamped in the guide groove 152, and the switch board 3 slidably closes or opens the speaker through hole 15. The dustproof film 153 is covered on the opening of the speaker through hole 15 on one side of the accommodating groove 13, so that the dustproof effect can be achieved, and meanwhile, the sound quality and the sound volume of the speaker playing can be prevented from being influenced due to the fact that the dustproof film 153 is thinner. The second sealing ring 154 is further arranged on the periphery of the side of the accommodating groove 13, which is located on the speaker through hole 15, the second sealing ring 154 protrudes towards the direction of the accommodating groove 13 and can be abutted against the shell of the mobile terminal when the mobile terminal is mounted on the accommodating groove 13. Referring to fig. 11, when the shutter plate 3 closes the speaker through hole 15, the shutter plate 3 seals the speaker through hole 15 in cooperation with the first sealing ring 151. Referring to fig. 12, when the switch board 3 opens the speaker through hole 15, the switch board 3 exposes the speaker through hole 15, thereby avoiding affecting the sound quality and volume of the speaker.

As can be seen from fig. 8, 9 and 13, the main housing 1 is further provided with a charging port through hole 16 and a plug 4 for sealing the charging port through hole 16, the plug 4 is pluggable and inserted into the charging port through hole 16, and the plug 4 is in interference fit with the inner wall of the charging port through hole 16. In this embodiment, the plug 4 includes a fixing portion 41 and an insertion portion 42, the fixing portion 41 is located at one side of the plug 4, the main housing 1 is further provided with a mounting groove 17, the fixing portion 41 is fixedly installed in the mounting groove 17, and through the fixing portion 41, the plug 4 can implement flip-type operation, and loss of the plug 4 when the charging port through hole 16 is opened can be avoided. The insertion part 42 is inserted into the charging port through hole 16, the insertion part 42 is provided with a seal ring groove 43, a third seal ring 5 is installed in the seal ring groove 43, the seal ring groove 43 is correspondingly arranged along the inner peripheral wall shape of the charging port through hole 16, the third seal ring 5 protrudes out of the outer wall surface of the insertion part 42, and when the insertion part 42 is inserted into the charging port through hole 16, the third seal ring 5 is in interference fit with the inner wall of the charging port through hole 16 to form a sealing state. A part of the plug 4 is inserted into the accommodating groove 13, and in this embodiment, a charging port fixing portion 44 is provided on a side of the insertion portion 42 facing the accommodating groove 13, and the charging port fixing portion 44 is located in the accommodating groove 13. Referring to fig. 14, a card protrusion 19 is provided on the opposite side of the main casing 1 from the charging port through hole 16, the card protrusion 19 is located in the accommodating groove 13 at a position close to the opening, and the number of the card protrusions 19 may be set as required, in this embodiment, the number of the card protrusions 19 is two. When the mobile terminal is mounted in the accommodating groove 13, the charging port fixing part 44 is inserted into the charging port of the mobile terminal, and meanwhile, the mobile terminal can be further fixed by matching with the clamping protrusion 19 in the accommodating groove 13, which is close to the opening position, so that the mobile terminal is prevented from falling out of the protective shell when being impacted by external force.

In addition, a microphone port 18 and a microphone port waterproof film 6 for sealing the microphone port 18 are also provided on the main housing 1, and the microphone port waterproof film 6 is covered on the side of the microphone port 18 facing away from the accommodation groove 13 in a sealing manner. The main casing 1 is further provided with a fixing plate 7, the fixing plate 7 is provided with a through hole 71 corresponding to the microphone port 18, the fixing plate 7 is fixed on the main casing 1 through a screw 8, and the fixing plate 7 is covered and pressed on the microphone port waterproof membrane 6 and the fixing portion 41 of the plug 4, in this embodiment, in order to further stabilize the fixing portion 41, the fixing portion 41 is provided with a fixing hole 411, the fixing plate 7 is provided with a corresponding convex column 72, and the convex column 72 is inserted into the fixing hole 411, so that the fixing portion 41 is further fixed through the convex column 72, and displacement of the plug 4 in the use process is avoided.

As can be seen from the above, the track clamp type double-layer waterproof mobile terminal protection shell according to the present utility model has the advantages that the groove 14 is formed in the main housing 1 along the circumferential direction of the accommodating groove 13, the first soft rubber ring 143 surrounding the groove 14 is disposed between the first inner side wall 141 of the groove 14 and the first clamping side wall 2111 of the clamping rib 211 facing the first inner side wall 141, the second soft rubber ring 144 surrounding the groove 14 is disposed between the second inner side wall 142 of the groove 14 and the second clamping side wall 2112 of the clamping rib 211 facing the second inner side wall 142, such that the clamping rib 211 can be compressed in a side pressure clamping manner through the first soft rubber ring 143 and the second soft rubber ring 144, and the clamping rib can deform along with the deformation of the main housing 1, and is not influenced by the environmental thermal expansion and cold contraction dimensional change, drop impact deformation, etc., so as to ensure the clamping rib 211 to perform a sealing function. In addition, through setting up loudspeaker through-hole 15, being used for closing or opening the flush mounting plate 3 of loudspeaker through-hole 15 and encircle setting up at loudspeaker through-hole 15's circumference first sealing washer 151, when closing loudspeaker through-hole 15, flush mounting plate 3 and first sealing washer 151 pass through interference fit, can play sealed waterproof's effect, simultaneously, when opening, still can not influence tone quality and the volume of loudspeaker broadcast. The track clamp type double-layer waterproof mobile terminal protective housing is suitable for being used in deep diving, and can achieve a good waterproof effect.

It should be noted that although the accommodating groove 13 in the present embodiment is provided on the main casing 1, those skilled in the art should appreciate that the accommodating groove 13 may be formed by the main casing 1 and the transparent front cover 2 in cooperation.

Track pincers type double-layer waterproof mobile terminal protection shell second embodiment:

the mobile terminal protective case of the present embodiment differs from that of the first embodiment only in the structural arrangement of the junction of the main case and the transparent front cover. Therefore, only the distinguishing points will be described below.

As shown in fig. 15, in the present embodiment, the mobile terminal protective case includes a main case 10 and a transparent front cover 20, the main case 10 is provided with a housing groove 101 housing the mobile terminal, and the transparent front cover 20 is covered on an opening of the housing groove 101. Referring to fig. 16, the transparent front cover 20 includes a narrow-side decoration 201, a tempered glass film 202, and an adsorption film (not shown), the narrow-side decoration 201 is spot-glued to the outer periphery of the tempered glass film 202, the adsorption film is mounted to the side of the tempered glass film 202 facing the receiving groove 101, and the tempered glass film 202 is adhered to the adsorption film by UV glue. The main casing 10 is provided with a groove 102 along the circumference of the accommodation groove 101, the transparent front cover 20 is provided with a clamping rib 2021 matched with the groove 102, the clamping rib 2021 is inserted into the groove 102, and the clamping rib 2021 is positioned on the narrow-edge decoration 202.

Referring to fig. 17 and 18, a first soft rubber ring 2031 surrounding the groove 102 is provided between the first inner sidewall 1021 of the groove 102 and a first bone clamping sidewall 2022 of the bone clamping 2021 facing the first inner sidewall 1021, the first inner sidewall 1021 is in interference fit with the first bone clamping sidewall 2022 through the first soft rubber ring 2031, a second soft rubber ring 2032 surrounding the groove 102 is provided between the second inner sidewall 1022 of the groove 102 and a second bone clamping sidewall 2023 of the bone clamping 2021 facing the second inner sidewall 1022, and the second inner sidewall 1022 is in interference fit with the second bone clamping sidewall 2023 through the second soft rubber ring 2032. In this embodiment, the first soft rubber ring 2031 is disposed on the first clamping sidewall 2022, the second soft rubber ring 2032 is disposed on the second clamping sidewall 2023, and the first soft rubber ring 2031 and the second soft rubber ring 2032 are disposed opposite to each other. The clamping rib 2021 is sleeved with a soft rubber sleeve 203, the first soft rubber ring 2031, the second soft rubber ring 2032 and the soft rubber sleeve 203 are integrally arranged, and the soft rubber sleeve 203 is fixed on the clamping rib 2021 through glue.

It should be noted that the groove 14 and the bone 2021 may have various shape changes, and the groove 14 and the bone 2021 are correspondingly disposed according to the shape changes.

It should be noted that the foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modifications made to the present utility model by using the concept fall within the scope of the present utility model.

Claims (10)

1. The utility model provides a track pincers type double-deck waterproof mobile terminal protective housing, includes main casing and transparent protecgulum, the main casing is provided with the holding tank that holds mobile terminal, transparent protecgulum lid closes on the opening of holding tank; the method is characterized in that:

the main shell is provided with a groove along the circumferential direction of the accommodating groove, the transparent front cover is provided with a clamping rib matched with the groove, and the clamping rib is inserted into the groove;

a first soft rubber ring surrounding the groove is arranged between the first inner side wall of the groove and the first clamping bone side wall of the clamping bone facing the first inner side wall, and the first inner side wall is in interference fit with the first clamping bone side wall through the first soft rubber ring;

a second soft rubber ring surrounding the groove is arranged between the second inner side wall of the groove and the second clamping side wall of the clamping towards the second inner side wall, and the second inner side wall is in interference fit with the second clamping side wall through the second soft rubber ring.

2. The track clamp type double-layer waterproof mobile terminal protective housing according to claim 1, wherein:

the first soft rubber ring is arranged on the first inner side wall, the second soft rubber ring is arranged on the second inner side wall, and the first soft rubber ring and the second soft rubber ring are oppositely arranged.

3. The track clamp type double-layer waterproof mobile terminal protective housing according to claim 2, wherein:

the main shell comprises a soft rubber part and a hard rubber part, and the soft rubber part is arranged along the periphery of the hard rubber part in a surrounding manner;

the holding groove with the recess is located hard rubber portion, first soft rubber ring the soft rubber ring of second with soft rubber portion integration sets up.

4. The track clamp type double-layer waterproof mobile terminal protective housing according to claim 1, wherein:

the first soft rubber ring is arranged on the side wall of the first clamping rib, the second soft rubber ring is arranged on the side wall of the second clamping rib, and the first soft rubber ring and the second soft rubber ring are arranged in a back-to-back mode.

5. The track clamp type double-layer waterproof mobile terminal protective housing according to claim 4, wherein:

the clamping sleeve is sleeved with a soft rubber sleeve, and the first soft rubber ring, the second soft rubber ring and the soft rubber sleeve are integrally arranged.

6. The track clamp type double-layer waterproof mobile terminal protective housing according to any one of claims 1 to 5, wherein:

the main shell is provided with a horn through hole, a switch plate for closing or opening the horn through hole and a first sealing ring which is arranged around the periphery of the horn through hole, the horn through hole is communicated with the accommodating groove, and the switch plate is in interference fit with the first sealing ring.

7. The track clamp type double-layer waterproof mobile terminal protective housing according to claim 6, wherein:

the loudspeaker is characterized in that a guide groove is formed in the loudspeaker through hole, the switch plate is provided with a guide block, the guide block is slidably clamped in the guide groove, and the switch plate can slidably close or open the loudspeaker through hole.

8. The track clamp type double-layer waterproof mobile terminal protective housing according to claim 6, wherein:

the loudspeaker through hole is located the circumference of holding tank one side is upwards still provided with the second sealing washer, the second sealing washer to the direction of holding tank is protruding.

9. The track clamp type double-layer waterproof mobile terminal protective housing according to any one of claims 1 to 5, wherein:

the main shell is also provided with a charging port through hole and a plug for sealing the charging port through hole, the plug is inserted into the charging port through hole in a pluggable manner, and a part of the plug is inserted into the accommodating groove;

the main shell is provided with a clamping protrusion on one side opposite to the charging port through hole, and the clamping protrusion is positioned in the accommodating groove and close to the opening.

10. The track clamp type double-layer waterproof mobile terminal protective housing according to any one of claims 1 to 5, wherein:

the transparent front cover comprises a narrow-edge decorating part, a toughened glass film and an adsorption film, wherein the narrow-edge decorating part is arranged on the periphery of the toughened glass film in a dispensing mode, and the adsorption film is arranged on one side, facing the accommodating groove, of the toughened glass film.

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