CN210771312U

CN210771312U - Clamping mechanism, combined table and electronic equipment clamping device

Info

Publication number: CN210771312U
Application number: CN201921188452.1U
Authority: CN
Inventors: 刘勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-16
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a clamping mechanism, which comprises a main rod, a bottom plate, a waist plate, a rod sleeve component and a positioning piece, wherein the bottom plate is fixed at one end of the main rod, and the waist plate is connected with the main rod in a sliding way so as to realize the clamping function together with the bottom plate; the rod sleeve component is connected with the waist plate, and the positioning piece is arranged in the rod sleeve component and sleeved outside the main rod; a bulge is arranged on one side of the positioning piece, a sliding groove is arranged at the position of the rod sleeve component corresponding to the bulge, and a blocking part is arranged on one side, far away from the sliding groove, in the rod sleeve component so as to limit the sliding of one side, corresponding to the blocking part, of the positioning piece; the clamping mechanism further comprises a first elastic piece, the first elastic piece is arranged in the rod sleeve assembly, one end of the first elastic piece abuts against the positioning piece, and the other end of the first elastic piece abuts against the inner wall of the rod sleeve assembly. The clamping mechanism designed in this way is simple in structure and convenient to use. The utility model also provides a combined table. The utility model also provides an electronic equipment clamping device.

Description

Clamping mechanism, combined table and electronic equipment clamping device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a clamping tool technical field especially relates to a fixture, combination desk and electronic equipment clamping device.

[ background of the invention ]

The existing clamping tools are generally divided into a spring clamp and a thread clamp, and the spring clamp realizes a clamping function under the action of a lever principle and an elastic piece by arranging the elastic piece between two clamping plates which are connected in a rotating way; the screw clamp is in threaded connection with the two clamping plates through the screw rod, and the clamping function is achieved. When the clamping is carried out through the spring clamp, the clamping force cannot be adjusted, clamping marks are easily left on the clamped object, and the clamping range is limited; when the clamping is carried out through the threaded clamp, the clamping plate needs to be rotated on the screw rod, and the clamping process is troublesome.

[ Utility model ] content

In order to overcome the problems in the prior art, the utility model provides a clamping mechanism, a combined table and an electronic device clamping device.

The utility model provides a scheme for solving the technical problem provides a clamping mechanism, the clamping mechanism comprises a main rod, a bottom plate, a waist plate, a rod sleeve component and a positioning piece, the bottom plate is fixed at one end of the main rod, the waist plate is connected with the main rod in a sliding way so as to be matched with the bottom plate to realize the clamping function; the rod sleeve component is connected with the waist plate, and the positioning piece is arranged in the rod sleeve component and sleeved outside the main rod; a bulge is arranged on one side of the positioning piece, a sliding groove is arranged at the position, corresponding to the bulge, of the rod sleeve assembly, and a blocking part is arranged on one side, far away from the sliding groove, in the rod sleeve assembly so as to limit the sliding of one side, corresponding to the blocking part, of the positioning piece; the clamping mechanism further comprises a first elastic piece, the first elastic piece is arranged in the rod sleeve assembly, one end of the first elastic piece abuts against the positioning piece, and the other end of the first elastic piece abuts against the inner wall of the rod sleeve assembly.

Preferably, the clamping mechanism further comprises a connecting rod and a second elastic member, the rod sleeve assembly comprises a first rod sleeve and a second rod sleeve, the first elastic member is arranged in the first rod sleeve, and the second elastic member is arranged in the second rod sleeve; the connecting rod with mobile jib sliding connection, and one end with first pole cover is connected, and the other end inserts in the second pole cover, the waist board with the second pole cover is connected, second elastic component one end with the inner wall of second pole cover supports and holds, the other end with the connecting rod supports and holds.

Preferably, one end of the first rod sleeve, which is close to the second rod sleeve, is provided with a first abutting portion, one end of the first elastic member abuts against the first abutting portion, and the other end of the first elastic member abuts against the positioning member; one end of the second rod sleeve, which is close to the first rod sleeve, is provided with a second abutting portion, one end of the connecting rod, which is far away from the first rod sleeve, is provided with a third abutting portion, one end of the second elastic piece abuts against the second abutting portion, and the other end abuts against the third abutting portion.

Preferably, the first elastic member includes any one of a spring and a spring plate, and the second elastic member includes any one of a spring and a spring plate.

Preferably, the main bar is disposed at an edge of the base plate, or at a middle of the base plate.

Preferably, the inner wall of the positioning piece is provided with an anti-skid layer; or at least the inner wall of the positioning piece is made of anti-skid materials.

Preferably, the main rod is provided with a plurality of clamping points in an array manner, and the positioning piece is fixed to the clamping points through the inner wall after being inclined.

The utility model also provides an electronic equipment clamping device, electronic equipment clamping device includes mounting and foretell fixture, the mounting is located on fixture's the mobile jib.

Preferably, the fixing piece comprises an insertion part, a clamping part and a bending part, and the insertion part is connected with the clamping part through the bending part; the inserting part is provided with internal threads, the main rod is provided with external threads, and the main rod is in threaded connection with the inserting part; the clamping portion is used for fixing the electronic equipment.

The utility model also provides a combination desk, combination desk includes table, setting element and foretell fixture, be equipped with the connecting piece on the table, the regulation hole has been seted up on the connecting piece, the mobile jib is kept away from one side of bottom plate is provided with the connecting hole, the table pass through the connecting piece with the mobile jib is connected, the setting element inserts regulation hole and connecting hole can with the table is fixed in fixture is last.

Compared with the prior art, the utility model discloses a fixture, combination desk and electronic equipment clamping device have following advantage:

1. through rod cover subassembly and mobile jib sliding connection, so that the waist board cooperates with the bottom plate jointly and realizes clamping function, through set up the arch on the setting element, and set up stop part and spout in the rod cover subassembly, so that the user passes through to the protruding application of force of wearing out by the spout, make the setting element change into the horizontality by the slope attitude under the support of stop part, with the distance between waist board and the bottom plate of adjusting, adjust the centre gripping scope promptly, and after relieving to bellied application of force, the elastic force effect through first elastic component makes the setting element change into the slope attitude by the horizontal attitude, so that setting element and mobile jib support, and then make the waist board fixed, realize clamping function promptly, the fixture simple structure of so design, high durability and convenient use, the centre gripping scope can be adjusted at will in mobile jib length range, increase fixture's application range.

2. The first rod sleeve is connected with the second rod sleeve through the connecting rod, the second elastic piece is arranged in the second rod sleeve, the second rod sleeve is connected with the connecting rod through the second elastic piece, and the waist plate is elastically displaced under the action of the second elastic piece so as to prevent the waist plate from being in rigid contact with the clamped object to damage the clamped object.

3. When the main rod is arranged at the edge of the bottom plate, the bottom plate can be inserted into an object to be clamped to a deeper depth, and the clamping mechanism is clamped more firmly; when the main rod is arranged in the middle of the bottom plate, the shape of the clamping mechanism is more attractive.

4. Be provided with the skid resistant course at the inner wall of setting element, perhaps the setting element is made by anti-skidding material to the frictional force of increase setting element and mobile jib prevents that the setting element from taking place the displacement on the mobile jib and leading to unable fixed waist board, unable fixed fixture promptly.

5. The array is provided with the stuck point on the mobile jib, makes the setting element incline after through supporting with the stuck point and holds the realization fixed to the frictional force of increase setting element and mobile jib prevents that the setting element from taking place the displacement and leading to unable fixed waist board on the mobile jib, unable fixed fixture promptly.

6. The side of the main rod, which is far away from the bottom plate, is provided with a connecting hole, so that the clamping mechanism can be combined with an external connecting assembly for use.

7. The table plate is provided with a connecting piece, the connecting piece is provided with an adjusting hole, so that the table plate is connected with the main rod through the connecting piece, and the adjusting hole and the connecting hole are inserted into the positioning piece, so that the table plate is fixed on the clamping mechanism, and a user can place articles on the combined table conveniently.

8. The fixing piece is arranged on the clamping mechanism to fix the electronic equipment, so that a user can clamp the electronic equipment through the electronic equipment clamping device, and the user can watch the electronic equipment conveniently.

9. Connect grafting portion and joint portion through the portion of bending to set up the internal thread on grafting portion, set up the external screw thread on the mobile jib, make mounting and fixture pass through threaded connection, with when electronic equipment is fixed with joint portion, adjust the angle of watching electronic equipment through the portion of bending at will.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the principle of the present invention should be included within the protection scope of the present invention.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a clamping mechanism according to a first embodiment of the present invention.

Fig. 2 is a schematic sectional view of a clamping mechanism according to a first embodiment of the present invention.

Fig. 3 is a schematic view of a first state of a sofa application scenario of the clamping mechanism according to the first embodiment of the present invention.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is a schematic view of a second state of a sofa application scenario of the clamping mechanism according to the first embodiment of the present invention.

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

Fig. 7 is a schematic view of a desk application scenario of the clamping mechanism according to the first embodiment of the present invention.

Fig. 8 is a schematic view of an application scenario of the clamping mechanism according to the variant embodiment of the present invention.

Fig. 9 is a schematic perspective view of a combined table according to a second embodiment of the present invention.

Fig. 10 is an exploded view of the combined table according to the second embodiment of the present invention.

Fig. 11 is a schematic perspective view of an electronic device holding device according to a third embodiment of the present invention.

Description of reference numerals: 1. a clamping mechanism; 11. a main rod; 12. a base plate; 13. a waist panel; 14. a rod sleeve assembly; 15. a positioning member; 16. a first elastic member; 17. a second elastic member; 18. a connecting rod; 141. a first rod sleeve; 142. a second rod sleeve; 1411. a first abutting portion; 1421. a second abutting portion; 181. a third abutting portion; 111. sticking points; 112. connecting holes; 151. a protrusion; 143. a chute; 144. a blocking portion; p, a sofa; q, a support leg; m, a desk; n, book end; r, a bed;

2. a combination table; 21. a table plate; 22. a positioning member; 23. a clamping mechanism; 211. a connecting member; 2111. an adjustment hole; 231. a main rod; 2311. connecting holes;

3. an electronic device holding device; 31. a fixing member; 32. a clamping mechanism; 321. a main rod; 311. a plug-in part; 312. a clamping part; 313. a bending part.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, a first embodiment of the present invention provides a clamping mechanism 1, which includes a main rod 11, a bottom plate 12, a waist plate 13, a rod sleeve assembly 14, a positioning member 15 and a first elastic member 16, wherein the bottom plate 12 is fixed at one end of the main rod 11, the waist plate 13 is slidably connected to the main rod 11 to cooperate with the bottom plate 12 to realize a clamping function, that is, the bottom plate 12 fixed on the main rod 11 cooperates with the sliding waist plate 13 to clamp an external object, so that the clamping mechanism 1 is fixed;

the rod sleeve component 14 is connected with the waist plate 13, and the positioning piece 15 is arranged in the rod sleeve component 14 and sleeved outside the main rod 11;

a protrusion 151 is arranged on one side of the positioning member 15, a sliding groove 143 is arranged at a position of the rod sleeve assembly 14 corresponding to the protrusion 151, the protrusion 151 penetrates out of the sliding groove 143 so that a user can apply force to the protrusion 151 to enable the protrusion 151 to slide in the sliding groove 143, and a blocking portion 144 is arranged on one side of the rod sleeve assembly 14 far away from the sliding groove 143 to limit sliding of one side of the positioning member 15 corresponding to the blocking portion 144;

the first elastic element 16 is arranged in the rod sleeve assembly 14, one end of the first elastic element abuts against the positioning element 15, and the other end of the first elastic element abuts against the inner wall of the rod sleeve assembly 14, so that the positioning element 15 always keeps inclined abutting against the blocking part 144 under the elastic force action of the first elastic element 16, and the abutting force of the positioning element 15 with the main rod 11 and the blocking part 144 is increased under the action of the first elastic element 16, thereby preventing the positioning element 15 from displacing to cause that the waist plate 13 cannot be fixed, namely the clamping mechanism 1 cannot be fixed;

when a user applies force to the protrusion 151, the position of the positioning element 15 corresponding to one side of the blocking portion 144 is kept unchanged under the restriction of the blocking portion 144, the position of the positioning element 15 away from one side of the blocking portion 144 is changed towards the direction of the applied force, and the first elastic element 16 is compressed to accumulate the elastic force, so that the positioning element 15 is changed from the inclined state to the horizontal state, at this time, the abutting between the positioning element 15 and the main rod 11 disappears, the waist plate 13 can be driven to move by moving the rod sleeve assembly 14 to adjust the distance between the waist plate 13 and the bottom plate 12, finally, the force applied to the protrusion 151 is released, the first elastic element 16 releases the elastic force, so that the positioning element 15 in the horizontal state is changed into the inclined state again under the elastic force of the first elastic element 16, and the rod sleeve assembly 14 is fixed under the abutting between the positioning element 15 and the main rod.

It is understood that the rod sleeve assembly 14 and the waist plate 13 can be connected by means of screws, plugs, welds, etc., and the bottom plate 12 and the waist plate 13 can be square, circular, strip, etc.

Referring to fig. 3 to 6, in some application scenarios, the object to be clamped is a sofa P, the sofa P is placed on the ground and supported by the support legs Q, so that a gap is formed between the sofa P and the ground, the bottom plate 12 is placed on the ground, and the protrusion 151 is pressed, so that the positioning member 15 is changed to be in a horizontal state, and further, the rod sleeve assembly 14 is moved, so that the distance between the waist plate 13 and the bottom plate 12 is smaller than the gap between the sofa P and the ground; then, the bottom plate 12 and the waist plate 13 are inserted into the gap between the sofa P and the ground; further, the rod sleeve assembly 14 is pulled to move the waist plate 13 away from the bottom plate 12 until the waist plate 13 contacts the sofa P; finally, the force applied to the protrusion 151 is released, so that the positioning element 15 tilts under the elastic force of the first elastic element 16 and abuts against the main rod 11, so as to fix the waist plate 13 on the main rod 11, thereby completing the clamping of the clamping mechanism 1.

Referring to fig. 7, similarly, in some application scenarios, the object to be clamped is a desk M, a book holder N is placed on the desk M, the clamping mechanism 1 is clamped on the book holder N by adjusting the distance between the waist plate 13 and the bottom plate 12, and the main rod 11 is parallel to the desktop, so as to adjust the clamping mechanism 1 to be horizontal for the user to use, and the specific clamping process is not described herein again.

It can be understood that the clamping mechanism 1 can also be clamped at the gap between the bed and the ground, the gap between the cabinet, the desktop, the refrigerator and the ground, and the like, and the clamping mechanism 1 can be used for clamping as long as the bottom plate 12 and the waist plate 13 can be arranged in the gap. The clamping mechanism 1 designed in the way is simple in structure and convenient to use, the clamping range can be adjusted at will within the length range of the main rod 11, and the application range of the clamping mechanism 1 is enlarged.

Further, the clamping mechanism 1 comprises a connecting rod 18 and a second elastic member 17, the rod sleeve assembly 14 comprises a first rod sleeve 141 and a second rod sleeve 142, the first elastic member 16 is arranged in the first rod sleeve 141, and the second elastic member 17 is arranged in the second rod sleeve 142;

the connecting rod 18 is connected with the main rod 11 in a sliding manner, one end of the connecting rod is connected with the first rod sleeve 141, the other end of the connecting rod is inserted into the second rod sleeve 142, the waist plate 13 is connected with one end of the second rod sleeve 142, which is far away from the first rod sleeve 141, one end of the second elastic part 17 abuts against the inner wall of the second rod sleeve 142, and the other end of the second elastic part abuts against the connecting rod 18, so that the second rod sleeve 142 elastically displaces under the action of the connecting rod 18 and the second elastic part 17, namely after the waist plate 13 contacts with an object to be clamped, the waist plate 13 displaces on the main rod 11 under the action of the second elastic part 17, and the object to be clamped is prevented from being damaged due to rigid contact between the waist plate 13 and the object to be clamped.

Specifically, one end of the first rod sleeve 141 close to the second rod sleeve 142 is provided with a first abutting portion 1411, one end of the first elastic member 16 abuts against the first abutting portion 1411, and the other end abuts against the positioning member 15, that is, the first elastic member 16 abuts between the positioning member 15 and the first abutting portion 1411, so as to apply an elastic force to the positioning member 15 through the first elastic member 16, when the positioning member 15 is inclined, the friction force between the positioning member 15 and the main rod 11 can be increased through the elastic force of the first elastic member 16, and the positioning member 15 is prevented from displacing on the main rod 11;

one end of the second rod sleeve 142 close to the first rod sleeve 141 is provided with a second abutting portion 1421, one end of the connecting rod 18 far from the first rod sleeve 141 is provided with a third abutting portion 181, one end of the second elastic member 17 abuts against the second abutting portion 1421, the other end abuts against the third abutting portion 181, namely, the second elastic element 17 abuts between the second abutting portion 1421 and the third abutting portion 181, when the first rod sleeve 141 is pulled, the second rod sleeve 142 and the waist plate 13 can be driven to move together by the action of the connecting rod 18, and further, after the waist board 13 contacts with the clamped object, the first rod sleeve 141 is pulled continuously, so that the second rod sleeve 142 is elastically displaced under the action of the second elastic element 17, that is, the waist board 13 is elastically displaced under the abutting action of the second elastic element 17, so as to prevent the waist plate 13 from contacting with the object to be clamped rigidly and damaging the object to be clamped, and at this time, the clamping of the clamping mechanism 1 is completed by expanding the distance between the bottom plate 12 and the waist plate 13.

It is understood that the first elastic member 16 includes any one of a spring and a leaf spring, and the second elastic member 17 includes any one of a spring and a leaf spring.

Further, in some other embodiments of the present invention, the main rod 11 is disposed at the edge of the bottom plate 12, so that the bottom plate 12 can be inserted deeper into the object to be clamped, and the clamping mechanism 1 is clamped more firmly.

As a modification, the main lever 11 is disposed in the middle of the bottom plate 12 to make the shape of the clamping mechanism 1 more beautiful.

Referring to fig. 8, as a modification, the waist plate 13 is connected to one end of the second sleeve 142 close to the first sleeve 141, one end of the second sleeve 142 away from the first sleeve 141 is provided with a second abutting portion 1421, one end of the connecting rod 18 away from the first sleeve 141 is provided with a third abutting portion 181, one end of the second elastic member 17 abuts against the second abutting portion 1421, and the other end abuts against the third abutting portion 181, that is, the second elastic member 17 abuts between the second abutting portion 1421 and the third abutting portion 181, when the first sleeve 141 is pressed, the second sleeve 142 and the waist plate 13 can be driven to move together by the action of the connecting rod 18, and further, after the waist plate 13 contacts with an object to be clamped, the first sleeve 141 is continuously pressed, so that the second sleeve 142 can elastically displace under the action of the second elastic member 17, and the waist plate 13 elastically displaces under the abutting action of the second elastic member 17, so as to prevent the rigid object to be clamped from being damaged by the waist plate 13 contacting with the object to be clamped, at this time, the clamping of the clamping mechanism 1 is completed by compressing the distance between the bottom plate 12 and the waist plate 13, that is, the clamping mechanism 1 is clamped on the bed R by compressing the distance between the bottom plate 12 and the waist plate 13.

The inner wall of the positioning piece 15 is provided with an anti-skid layer (not shown); or at least the inner wall of the positioning element 15 is made of an anti-slip material, so as to increase the friction force between the positioning element 15 and the main rod 11, and prevent the positioning element 15 from displacing on the main rod 11 to cause the fixing failure of the waist plate 13, i.e. the fixing failure of the clamping mechanism 1.

It is understood that the anti-slip material includes, but is not limited to, silicone, rubber, etc.

The array is provided with stuck point 111 on the mobile jib 11, and stuck point 111 distributes along the array of mobile jib 11, passes through after setting element 15 inclines the inner wall with support with stuck point 111 and realize fixing to increase setting element 15 and mobile jib 11's frictional force prevents that setting element 15 from taking place the displacement and leading to unable fixed waist board 13 on mobile jib 11, unable fixed fixture 1 promptly.

One side that the bottom plate 12 was kept away from to mobile jib 11 is provided with connecting hole 112 to make fixture 1 can use with the coupling assembling combination of outside, coupling assembling can be lazy people's support, desktop etc. even coupling assembling realizes fixedly under the screw with connecting hole 112's linkage effect.

Referring to fig. 9-10, a second embodiment of the present invention provides a combined table 2, the combined table 2 includes a table 21, a positioning element 22 and the clamping mechanism 23, the table 21 is provided with a connecting element 211, the connecting element 211 is provided with an adjusting hole 2111, the table 21 is connected to the main rod 231 through the connecting element 211, i.e. the table 21 is connected to the main rod 231 through the connecting element 211, and further, the positioning element 22 is inserted into the adjusting hole 2111 and the connecting hole 2311, so that the table 21 can be fixed to the clamping mechanism 23, thereby facilitating the user to place objects on the table 21. It is understood that the positioning member 22 may be a screw, a pin, or the like.

Further, the plurality of connection holes 2311 are linearly distributed on the main rod 231, so that the connection member 211 is connected with the adjustment hole 2111 through different connection holes 2311, thereby realizing the adjustment of the height of the table board 21 and facilitating the use of a user.

Further, the plurality of connection holes 2311 are circumferentially distributed on the main rod 231, so that the connection member 211 is connected with the adjustment hole 2111 through different connection holes 2311, thereby realizing the adjustment of the height of the table board 21 and facilitating the use of a user.

As a modification, at least two adjustment holes 2111 are provided, so that the connection member 211 is connected to the connection hole 2311 through different adjustment holes 2111, thereby achieving adjustment of the direction of the tablecloth and facilitating the use of the user.

As a variation, the connecting member 211 is provided with an internal thread, the main rod 231 is provided with an external thread, the main rod 231 is in threaded connection with the connecting member 211, when in use, the table 21 is rotated at will according to the user's demand, and simultaneously, the height of the table 21 can be adjusted through the threaded connection of the main rod 231 and the connecting member 211, so as to realize the lifting of the table 21.

Referring to fig. 11, a third embodiment of the present invention provides an electronic device holding apparatus 3, which includes a fixing member 31 and the above-mentioned holding mechanism 32, wherein the fixing member 31 is disposed on the main rod 321 of the holding mechanism 32.

Specifically, the fixing member 31 includes an insertion portion 311, a fastening portion 312 and a bending portion 313, the insertion portion 311 is connected to the fastening portion 312 through the bending portion 313, the insertion portion 311 is provided with an internal thread, the main rod 321 is provided with an external thread, and the main rod is in threaded connection with the insertion portion; the clamping portion 312 is used for clamping and fixing electronic equipment such as a mobile phone and a flat panel;

it can be understood that the bending portion 313 may be made of aluminum alloy, carbon steel ABS, or the like, so that the bending portion 313 can be bent in a universal direction, so that a user can watch the electronic device conveniently.

Claims

1. A fixture, its characterized in that: the clamping mechanism comprises a main rod, a bottom plate, a waist plate, a rod sleeve assembly and a positioning piece, wherein the bottom plate is fixed at one end of the main rod, and the waist plate is in sliding connection with the main rod so as to be matched with the bottom plate together to realize a clamping function;

the rod sleeve component is connected with the waist plate, and the positioning piece is arranged in the rod sleeve component and sleeved outside the main rod;

a bulge is arranged on one side of the positioning piece, a sliding groove is arranged at the position, corresponding to the bulge, of the rod sleeve assembly, and a blocking part is arranged on one side, far away from the sliding groove, in the rod sleeve assembly so as to limit the sliding of one side, corresponding to the blocking part, of the positioning piece;

the clamping mechanism further comprises a first elastic piece, the first elastic piece is arranged in the rod sleeve assembly, one end of the first elastic piece abuts against the positioning piece, and the other end of the first elastic piece abuts against the inner wall of the rod sleeve assembly.

2. The clamping mechanism of claim 1, wherein: the clamping mechanism further comprises a connecting rod and a second elastic piece, the rod sleeve assembly comprises a first rod sleeve and a second rod sleeve, the first elastic piece is arranged in the first rod sleeve, and the second elastic piece is arranged in the second rod sleeve;

the connecting rod with mobile jib sliding connection, and one end with first pole cover is connected, and the other end inserts in the second pole cover, the waist board with the second pole cover is connected, second elastic component one end with the inner wall of second pole cover supports and holds, the other end with the connecting rod supports and holds.

3. The clamping mechanism of claim 2, wherein: one end of the first rod sleeve, which is close to the second rod sleeve, is provided with a first abutting part, one end of the first elastic piece abuts against the first abutting part, and the other end of the first elastic piece abuts against the positioning piece;

one end of the second rod sleeve, which is close to the first rod sleeve, is provided with a second abutting portion, one end of the connecting rod, which is far away from the first rod sleeve, is provided with a third abutting portion, one end of the second elastic piece abuts against the second abutting portion, and the other end abuts against the third abutting portion.

4. The clamping mechanism of claim 2, wherein: the first elastic piece comprises any one of a spring and an elastic sheet, and the second elastic piece comprises any one of a spring and an elastic sheet.

5. The clamping mechanism of claim 1, wherein: the main rod is arranged at the edge of the bottom plate or in the middle of the bottom plate.

6. The clamping mechanism of claim 1, wherein: the inner wall of the positioning piece is provided with an anti-skid layer; or at least the inner wall of the positioning piece is made of anti-skid materials.

7. The clamping mechanism of claim 6, wherein: the positioning piece is characterized in that clamping points are arranged on the main rod in an array mode, and the positioning piece is fixed with the clamping points through the inner wall after being inclined.

8. An electronic equipment clamping device, its characterized in that: the electronic device clamping device comprises a fixing piece and a clamping mechanism according to any one of claims 1-7, wherein the fixing piece is arranged on the main rod of the clamping mechanism.

9. The electronic device holding apparatus of claim 8, wherein: the fixing piece comprises an inserting part, a clamping part and a bending part, and the inserting part is connected with the clamping part through the bending part;

the inserting part is provided with internal threads, the main rod is provided with external threads, and the main rod is in threaded connection with the inserting part; the clamping portion is used for fixing the electronic equipment.

10. A combination table, which is characterized in that: the combined table comprises a table plate, a positioning element and the clamping mechanism according to any one of claims 1 to 7, wherein a connecting element is arranged on the table plate, an adjusting hole is formed in the connecting element, a connecting hole is formed in one side, away from the bottom plate, of the main rod, the table plate is connected with the main rod through the connecting element, and the positioning element is inserted into the adjusting hole and the connecting hole to fix the table plate on the clamping mechanism.