CN218721798U - Heating device - Google Patents

Abstract

The utility model relates to a warmer, include: the control device comprises a first shell, a control circuit board and a pin piece, wherein a first mounting cavity is formed in the first shell, the control circuit board is positioned in the first mounting cavity, the pin piece is arranged on the control circuit board and is electrically connected with the control circuit board, and the pin piece penetrates through the first mounting cavity and extends to the outside; the power supply assembly comprises a power supply module and a conversion plate, the power supply module is electrically connected with the conversion plate, and the pin inserting assembly is electrically connected with the conversion plate; the heating box body comprises a shell body and a heating device, a second installation cavity is formed inside the shell body, a pin inserting piece penetrates through the shell body to enter the second installation cavity, the pin inserting piece is connected with the conversion plate, the control device is detachably connected with the shell body, and the heating device is electrically connected with the power module. Through adding the conversion board, can make control circuit board and power module become independent module combination and use, can control mode demand or part trouble to the product difference simultaneously, replacement, maintenance pertinence.

Description

Heating device

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a room heater.

Background

The warmer is a device for heating, and the most common electric warmer in daily life is a heating device which heats and heats by taking electricity as energy, can also be called electric heating, and can be widely used for mobile heating of houses, offices, hotels, markets, hospitals, schools, train carriages and the like, and various civilians and public buildings such as simple movable houses and the like. The control part and the power supply part of the existing electric warmer are mostly connected by electric wires, the connection mode has potential safety hazards, the control part is inconvenient to replace after being damaged, the warmer control part is connected with the power supply part in a pin type mode at present on the market, and once the part connected with the control part in the power supply part is not matched or damaged, the whole power supply part is possibly replaced, so that the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a heater aiming at the problems of inconvenient replacement and high maintenance cost of the control part of the existing heater.

A warmer, comprising: the control device comprises a first shell, a control circuit board and a pin piece, wherein a first mounting cavity is formed in the first shell, the control circuit board is arranged on the first shell, the control circuit board is positioned in the first mounting cavity, the pin piece is arranged on the control circuit board and is electrically connected with the control circuit board, and the pin piece penetrates through the first mounting cavity and extends to the outside; the power supply assembly comprises a power supply module and a conversion plate, the power supply module is electrically connected with the conversion plate, and the pin component is electrically connected with the conversion plate; the heating box body comprises a shell body and a heating device, a second installation cavity is formed in the shell body, the heating device and a power supply assembly are located in the second installation cavity, the part of the pin inserting assembly penetrates through the shell body and enters the second installation cavity, the pin inserting assembly is connected with the conversion board, the control device is detachably connected with the shell body, and the heating device is electrically connected with the power supply module.

According to the warmer disclosed by the application, the control circuit board is electrically connected with the pin piece, the power supply module is electrically connected with the conversion plate, the pin piece penetrates through the shell body to enter the second mounting cavity to be electrically connected with the conversion plate, and the control circuit board is electrically connected with the power supply module through the matching of the pin piece and the conversion plate so as to control the working state of the heating device; through being connected for dismantling between controlling means and the casing main part, can need the difference to control the mode to change corresponding controlling means to the room heater, the room heater disclosed in this application can make control circuit board and power module become independent module combination and use through addding the change-over plate, can control mode demand or part trouble to the product difference simultaneously, carries out pertinence replacement, maintenance.

In one embodiment, the first housing includes a front control housing and a rear control housing, the front control housing is disposed on the rear control housing, the front control housing and the rear control housing form the first mounting cavity, and the rear control housing is disposed on the housing body.

In one embodiment, the control rear shell is provided with at least two first limiting columns, the number of the first limiting columns is not less than two, the shell body is provided with a first through hole matched with the first limiting columns, and the first limiting columns partially penetrate through the first through hole and enter the second installation cavity. Form first spacing post and first through-hole respectively through control backshell and casing main part, at the in-process of controlling means and heating box installation, insert a plurality of spacing posts in the first through-hole that corresponds, can realize controlling backshell and casing main part's quick location, through the cooperation of first spacing post in first through-hole, improve the assembly efficiency of controlling means and heating box, thereby the user of being convenient for changes the mode of controlling of room heater by oneself.

In one embodiment, a threaded groove is formed on the first limiting column, the conversion plate is provided with second through holes corresponding to the first limiting columns one to one, and the conversion plate is detachably connected with the control rear shell. Through form the thread groove on first spacing post, the change-over panel is equipped with the second through-hole, pass the thread groove on second through-hole and the first spacing post respectively through the screw, realize being connected with dismantling of change-over panel of control backshell, first spacing post not only can be used for controlling backshell and casing main part's quick location, but also can be used for realizing being connected of control backshell and change-over panel, realize that a thing is multi-purpose, improve the design rationality, and simultaneously, the control backshell can be dismantled with the change-over panel, overhaul controlling means or change-over panel in needs, operations such as change provide convenience.

In one embodiment, the control back shell is provided with a plurality of first connecting holes, the shell body is provided with third through holes corresponding to the first connecting holes one by one, and the shell body is detachably connected with the control back shell. Through form first connecting hole and third through-hole on control backshell and casing main part respectively, and first connecting hole and third through-hole one-to-one set up, in the installation of control backshell and casing main part, under first spacing post and the cooperation of first through-hole, accomplish the quick location of control backshell and casing main part, utilize the screw to pass the third through-hole respectively, first connecting hole, thereby make the control backshell fix in the casing main part, realize being connected of controlling means and heating box through the screw, moreover, the steam generator is simple in structure and stable, the cost is lower.

In one embodiment, the control back shell forms a groove, the shell body forms a fourth through hole, a side wall part of the groove penetrates through the fourth through hole to enter the second mounting cavity, the conversion plate forms a protruding part, the protruding part is matched with the groove, and the protruding part is partially positioned in the groove. The groove is formed by controlling the rear shell, the fourth through hole is formed by the shell body, the groove penetrates through the fourth through hole immediately when the first limiting column penetrates through the first through hole in the installation process of controlling the rear shell and the conversion plate, the groove is matched with the protruding portion of the conversion plate, and when the rear shell and the conversion plate are fixedly connected through screws, the protruding portion of the conversion plate is inserted into the groove to complete connection, so that protection is provided for connection of the pin inserting piece and the conversion plate.

In one embodiment, the groove is provided with a pin hole matched with the pin element, the protruding part forms a conductive hole, the pin element penetrates through the pin hole and extends into the conductive hole, and the conductive hole is used for realizing that the control device and the power module form a conductive loop. Through recess and protruding portion do not be equipped with pinhole and electrically conductive hole, in the electric connection process who realizes control circuit board and power module, contact pin spare is fixed on control circuit board and is connected with control circuit board electricity, contact pin spare at first passes the pinhole on the recess, then insert electrically conductive hole and power module and take place the electricity and be connected, mutually support through contact pin spare and converter plate, build "bridge" for control circuit board and power module's electricity is connected, simultaneously, adopt the contact pin to realize being connected with the mode that electrically conductive hole inserted and closed, not only be favorable to the rapid Assembly of contact pin spare and converter plate, reduce the wire overall arrangement of control circuit board and converter plate simultaneously.

In one embodiment, the groove side wall forms a plurality of second limiting columns, the plurality of second limiting columns are circumferentially distributed on the groove side wall, and the second limiting columns are abutted to the protruding portion. Through forming the spacing post of second at the recess lateral wall, the spacing post circumference of a plurality of seconds sets up at the recess lateral wall, when the protruding portion of change-over panel inserts the recess of control backshell, the protruding portion butt is on the spacing post of second, make the pinhole of crossing in the recess and the electrically conductive hole one-to-one in the protruding portion, thereby make the contact pin spare can be connected with the conversion version fast and accurately, and simultaneously, through setting up the pinhole in the recess, can avoid because of the contact pin overlength in the contact pin spare, lead to controlling means and change-over panel to bend in frequent dismouting process accident.

In one embodiment, the front control shell is provided with at least two male buckle parts, the rear control shell forms a female buckle part, and the male buckle parts are connected with the female buckle part in a clamping mode. The shell is equipped with the public piece of buckle and the female piece of buckle respectively with the control backshell before through the control, and when the public piece of buckle and the female piece joint of buckle, the shell can be fixed on the control backshell before the control, and the shell is connected with the control backshell before realizing the control through the public piece of buckle and the simple cooperation of the female piece of buckle, simple structure and reliable.

In one embodiment, the control front shell forms a fifth through hole for disengaging the snap male part from the snap female part. Through set up the fifth through-hole at the casing before the control, when the casing before the control backshell split control is followed to needs, can use public piece to break off the public piece of buckle through the fifth through-hole gently off with the fingers and thumb, make public piece of buckle break away from the buckle female member, the split of casing and control backshell before the completion control.

In one embodiment, the control rear shell is provided with a second connecting hole, the control front shell forms a sixth through hole matched with the second connecting hole, and the second connecting hole is matched with the sixth through hole. Through being equipped with second connecting hole and sixth through-hole before control backshell and control respectively, use the screw to pass sixth through-hole and second connecting hole respectively and can consolidate the locking under the fixed basis of shell and control backshell before the public piece of buckle and the female realization of buckle are controlled.

Drawings

FIG. 1 is a partial exploded view of a hidden portion of the housing of the warmer;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a perspective view of the control front shell;

FIG. 4 is a first directional perspective view of the control rear housing;

FIG. 5 is a second directional perspective view of the control rear shell;

FIG. 6 is a perspective view of the conversion plate;

wherein, the corresponding relation between the reference signs and the component names is as follows:

the control device comprises a control device 1, a first shell 11, a control circuit board 12, a pin piece 13, a first mounting cavity 101, a front shell 111, a rear shell 112, a first limiting column 1121, a first connecting hole 102, a groove 1122 and a pin hole 103; 1123 second limiting column, 1111 fastening male piece, 1123 fastening female piece, 10 fifth through hole, 106 second connecting hole and 107 sixth through hole;

2, a power supply assembly; 21 conversion plate, 201 second through hole, 211 protruding part; 202 conductive holes;

3 heating box body, 31 shell body, 32 heating device, 301 second installation cavity, 302 first through hole, 303 third through hole and 304 fourth through hole.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The warmer of some embodiments of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the present embodiment discloses a warmer, comprising: the control device 1 comprises a first shell 11, a control circuit board 12 and a pin piece 13, wherein a first mounting cavity 101 is formed in the first shell 11, the control circuit board 12 is arranged on the first shell 11, the control circuit board 12 is positioned in the first mounting cavity 101, the pin piece 13 is arranged on the control circuit board 12 and is electrically connected with the control circuit board 12, and the pin piece 13 penetrates through the first mounting cavity 101 and extends to the outside; the power supply assembly 2 comprises a power supply module and a conversion plate 21, the power supply module is electrically connected with the conversion plate 21, and the pin inserting component 13 is electrically connected with the conversion plate 21; the heating box body comprises a shell body 31 and a heating device, a second installation cavity 301 is formed in the shell body 31, the heating device and a power supply assembly 2 are located in the second installation cavity 301, a pin inserting assembly 13 partially penetrates through the shell body 31 to enter the second installation cavity 301, the pin inserting assembly 13 is connected with a conversion board 21, a control device 1 is detachably connected with the shell body 31, and the heating device is electrically connected with a power supply module.

According to the warmer disclosed by the application, the control circuit board 12 is electrically connected with the pin piece 13, the power supply module is electrically connected with the conversion plate 21, the pin piece 13 partially penetrates through the shell body 31 to enter the second mounting cavity 301 to be electrically connected with the conversion plate 21, and the control circuit board 12 is electrically connected with the power supply module through the matching of the pin piece 13 and the conversion plate 21, so that the working state of the heating device is controlled; through being connected for dismantling between controlling means 1 and the casing main part 31, can need the different mode of controlling to the room heater to change corresponding controlling means 1, the room heater disclosed in this application through addding change-over plate 21, can make control circuit board 12 and power module become independent module combination and use, can control the mode demand or part trouble to the product difference simultaneously, carry out pertinence replacement, maintenance.

As shown in fig. 1 to 2, in addition to the features of the above embodiment, the present embodiment further defines: the first housing 11 includes a control front case 111 and a control rear case 112, the control front case 111 is covered on the control rear case 112, the control front case 111 and the control rear case 112 form the first mounting chamber 101, and the control rear case 112 is disposed on the housing main body 31.

As shown in fig. 1, 2 and 4, in addition to the features of the above embodiments, the present embodiment further defines: the control rear shell 112 is provided with first limiting columns 1121, the number of the first limiting columns 1121 is not less than two, the shell body 31 forms first through holes 302 matched with the first limiting columns 1121, and the first limiting columns 1121 partially penetrate through the first through holes 302 and enter the second mounting cavity 301. Form first spacing post 1121 and first through-hole 302 respectively through controlling backshell 112 and casing main part 31, at the in-process of controlling means 1 and heating box installation, insert a plurality of spacing posts in the first through-hole 302 that corresponds, can realize controlling backshell 112 and casing main part 31 quick location, cooperation through first spacing post 1121 in first through-hole 302, improve the assembly efficiency of controlling means 1 and heating box, thereby it changes the mode of controlling of room heater to be convenient for the user by oneself to change controlling means 1.

As shown in fig. 2, 4 and 6, in addition to the features of the above embodiments, the present embodiment further defines: the first position-limiting posts 1121 are formed with screw grooves, the conversion plate 21 is provided with second through holes 201 corresponding to the first position-limiting posts 1121 one by one, and the conversion plate 21 is detachably connected to the control rear case 112. Through forming the thread groove on first spacing post 1121, the conversion board 21 is provided with the second through-hole 201, pass the thread groove on second through-hole 201 and the first spacing post 1121 respectively through the screw, realize that control backshell 112 is connected with can dismantling of conversion board 21, first spacing post 1121 not only can be used for controlling backshell 112 and casing main part 31's quick location, but also can be used for realizing controlling backshell 112 and being connected of conversion board 21, realize that a thing is multi-purpose, improve the design rationality, simultaneously, control backshell 112 can be dismantled with conversion board 21, overhaul control device 1 or conversion board 21 when needing, operation such as change provides convenience.

As shown in fig. 2 to 5, in addition to the features of the above embodiment, the present embodiment further defines: the control backshell 112 forms first connecting hole 102, and first connecting hole 102 quantity is a plurality of, and casing main body 31 is equipped with the third through hole 303 with first connecting hole 102 one-to-one, and casing main body 31 can dismantle with control backshell 112 and be connected. Through form first connecting hole 102 and third through-hole 303 on control backshell 112 and casing main part 31 respectively, and first connecting hole 102 and the setting of third through-hole 303 one-to-one, in the installation of control backshell 112 and casing main part 31, under first spacing post 1121 and first through-hole 302 cooperation, accomplish the quick location of control backshell 112 and casing main part 31, utilize the screw to pass third through-hole 303, first connecting hole 102 respectively, thereby make control backshell 112 fix on casing main part 31, realize being connected of controlling means 1 and heating box through the screw, moreover, the steam generator is simple in structure and stable, and the cost is lower.

As shown in fig. 2, 4 to 6, in addition to the features of the above embodiment, the present embodiment further defines: the control rear case 112 forms a groove 1122, the case body 31 forms a fourth through hole 304, a side wall portion of the groove 1122 penetrates the fourth through hole 304 to enter the second mounting cavity 301, the conversion plate 21 forms a protrusion 211, the protrusion 211 is matched with the groove 1122, and the protrusion 211 is partially located in the groove 1122. The groove 1122 is formed by controlling the rear housing 112, the fourth through hole 304 is formed by the housing main body 31, in the process of controlling the mounting of the rear housing 112 and the conversion plate 21, when the first limiting post 1121 passes through the first through hole 302, the groove 1122 also passes through the fourth through hole 304, and is matched with the protrusion 211 of the conversion plate 21 through the groove 1122, when the rear housing 112 and the conversion plate 21 are connected and fixed through screws, the protrusion 211 of the conversion plate 21 is partially inserted into the groove 1122 to complete the connection, so as to provide protection for the connection between the pin piece 13 and the conversion plate 21.

As shown in fig. 2, 4 to 6, in addition to the features of the above embodiment, the present embodiment further defines: the groove 1122 is provided with a pin passing hole 103 adapted to the pin piece 13, the protrusion 211 forms a conductive hole 202, the pin piece 13 penetrates through the pin passing hole 103 and extends into the conductive hole 202, and the conductive hole 202 is used for realizing that the control device 1 and the power module form a conductive loop. Through recess 1122 and protruding portion 211 be equipped with respectively and cross pinhole 103 and electrically conductive hole 202, in the electric connection process of realization control circuit board 12 and power module, contact pin spare 13 is fixed on control circuit board 12 and is connected with control circuit board 12 electricity, contact pin spare 13 passes through pinhole 103 on recess 1122 at first, then insert electrically conductive hole 202 and take place to be connected with power module again, through the mutually supporting of contact pin spare 13 and converter plate 21, for control circuit board 12 and power module's electricity is connected and is built "bridge", simultaneously, adopt the contact pin and realize being connected with the mode that electrically conductive hole 202 inserted, not only be favorable to the quick assembly of contact pin spare 13 and converter plate 21, reduce control circuit board 12 and converter plate 21's wire overall arrangement simultaneously.

As shown in fig. 4, in addition to the features of the above embodiment, the present embodiment further defines: a plurality of second limiting columns 1123 are formed on the side wall of the groove 1122, the plurality of second limiting columns 1123 are circumferentially distributed on the side wall of the groove 1122, and the second limiting columns 1123 are abutted against the protruding portion 211. Through forming second spacing post 1123 at the recess 1122 lateral wall, a plurality of second spacing posts 1123 circumference sets up at the recess 1122 lateral wall, when the protruding portion 211 of change-over board 21 inserts the recess 1122 of control backshell 112, the protruding portion 211 butt is on second spacing post 1123 for conductive hole 202 one-to-one in the pinhole 103 of crossing in the recess 1122 and the protruding portion 211, thereby make contact pin spare 13 be connected with the conversion version fast and accurately, simultaneously, through setting up the pinhole 103 in the recess 1122, can avoid because of the contact pin overlength in contact pin spare 13, lead to controlling means 1 and change-over board 21 to bend in frequent dismouting process accident.

As shown in fig. 3 to 5, in addition to the features of the above embodiment, the present embodiment further defines: shell 111 is equipped with the public piece 1111 of buckle before the control, and two are no less than to public piece 1111 quantity of buckle, and control backshell 112 forms buckle female member 1124, and public piece 1111 of buckle and the joint of buckle female member 1124. Shell 111 is equipped with buckle public piece 1111 and buckle female member 1124 respectively with control backshell 112 through control, and when buckle public piece 1111 and buckle female member 1124 joint, shell 111 can fix on control backshell 112 before the control, is connected with control backshell 112 through simple cooperation realization control front shell 111 of buckle public piece 1111 and buckle female member 1124, simple structure and reliable.

As shown in fig. 3, in addition to the features of the above embodiment, the present embodiment further defines: the control front case 111 forms a fifth through hole 105, and the fifth through hole 105 is used to disengage the snap male part 1111 from the snap female part 1124. Through set up fifth through-hole 105 before control casing 111, when needs follow control backshell 112 split control front shell 111, can use public piece to break off the public piece 1111 of buckle through fifth through-hole 105 gently off with the fingers and thumb, make the public piece 1111 of buckle break away from the female piece 1124 of buckle, the split of casing 111 and control backshell 112 before the completion control.

As shown in fig. 3 to 5, in addition to the features of the above embodiment, the present embodiment further defines: the control rear case 112 is provided with a second connection hole 106, the control front case 111 forms a sixth connection hole 107 adapted to the second connection hole 106, and the second connection hole 106 is adapted to the sixth connection hole 107. Through being equipped with second connecting hole 106 and sixth through-hole 107 respectively at control backshell 112 and control front shell 111, use the screw to pass sixth through-hole 107 and second connecting hole 106 respectively and can consolidate the locking under buckle male member 1111 and buckle female member 1124 realization control front shell 111 and the fixed basis of control backshell 112.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A warmer, comprising:

the control device (1) comprises a first shell (11), a control circuit board (12) and a pin piece (13), wherein a first mounting cavity (101) is formed inside the first shell (11), the control circuit board (12) is arranged on the first shell (11), the control circuit board (12) is located in the first mounting cavity (101), the pin piece (13) is arranged on the control circuit board (12) and is electrically connected with the control circuit board (12), and the pin piece (13) penetrates through the first mounting cavity (101) and extends to the outside;

the power supply assembly (2) comprises a power supply module and a conversion plate (21), the power supply module is electrically connected with the conversion plate (21), and the pin component (13) is electrically connected with the conversion plate (21);

the heating box body, the heating box body includes casing main part (31) and heating device, casing main part (31) inside second installation cavity (301) that forms, heating device and power module (2) are located in second installation cavity (301), plug pin spare (13) part run through in casing main part (31) get into second installation cavity (301), plug pin spare (13) with change-over board (21) are connected, controlling means (1) with casing main part (31) can be dismantled and be connected, heating device with the power module electricity is connected.

2. The warmer according to claim 1, characterized in that said first housing (11) comprises a control front shell (111) and a control rear shell (112), said control front shell (111) being placed over said control rear shell (112), said control front shell (111) and said control rear shell (112) forming said first mounting cavity (101), said control rear shell (112) being placed on said housing body (31).

3. The warmer according to claim 2, wherein the control rear shell (112) is provided with first limiting posts (1121), the number of the first limiting posts (1121) is not less than two, the shell body (31) forms a first through hole (302) matched with the first limiting posts (1121), and the first limiting posts (1121) partially penetrate through the first through hole (302) and enter the second mounting cavity (301).

4. The warmer according to claim 3, wherein a threaded groove is formed on the first position-limiting pillar (1121), the converting plate (21) is provided with second through holes (201) corresponding to the first position-limiting pillars (1121), and the converting plate (21) is detachably connected with the control rear shell (112).

5. The warmer according to claim 2, wherein the control rear shell (112) forms a plurality of first connection holes (102), the number of the first connection holes (102) is plural, the housing main body (31) is provided with third through holes (303) corresponding to the first connection holes (102) in a one-to-one manner, and the housing main body (31) is detachably connected with the control rear shell (112).

6. The warmer according to claim 2, wherein the control rear case (112) forms a recess (1122), the housing body (31) forms a fourth through hole (304), a side wall portion of the recess (1122) penetrates the fourth through hole (304) into the second mounting cavity (301), the converting plate (21) forms a protrusion (211), the protrusion (211) fits into the recess (1122), and the protrusion (211) is partially located in the recess (1122).

7. The warmer according to claim 6, wherein the groove (1122) is provided with a pin hole (103) adapted to the pin element (13), the protrusion (211) forms a conductive hole (202), the pin element (13) penetrates through the pin hole (103) and extends into the conductive hole (202), and the conductive hole (202) is used for realizing that the control device (1) and the power module form a conductive loop.

8. The warmer according to claim 6, wherein the side wall of the groove (1122) forms a plurality of second limiting pillars (1123), the plurality of second limiting pillars (1123) are circumferentially distributed on the side wall of the groove (1122), and the second limiting pillars (1123) abut against the protruding portion (211).

9. Warmer according to claim 2, characterized in that said control front shell (111) is provided with male snap-in parts (1111), the number of said male snap-in parts (1111) being not less than two, said control rear shell (112) forming a female snap-in part (1124), said male snap-in parts (1111) being snap-in with said female snap-in part (1124).

10. The warmer of claim 9, wherein the control front shell (111) forms a fifth through hole (105), the fifth through hole (105) being used to disengage the snap male (1111) from the snap female (1124); and/or

The control rear shell (112) is provided with a second connecting hole (106), the control front shell (111) is provided with a sixth through hole (107) matched with the second connecting hole (106), and the second connecting hole (106) is matched with the sixth through hole (107).

Images