CN215815428U

CN215815428U - Miniature waterproof potentiometer

Info

Publication number: CN215815428U
Application number: CN202122015625.3U
Authority: CN
Inventors: 赖月标
Original assignee: Longyan City Yongding District Xiang Billion Electronics Co ltd
Current assignee: Longyan City Yongding District Xiang Billion Electronics Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-11
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a miniature waterproof potentiometer, in particular to the field of potentiometers, which comprises a potentiometer body, wherein one side of the potentiometer body is fixedly connected with a bearing, the outer walls of two clamping blocks are embedded and connected with the inner walls of corresponding clamping grooves, and the inner annular wall of a round hole is sleeved and connected with a waterproof raised line, the erosion of the water drops to the connecting part is avoided.

Description

Miniature waterproof potentiometer

Technical Field

The utility model relates to the technical field of potentiometers, in particular to a miniature waterproof potentiometer.

Background

The miniature waterproof potentiometer is miniature potentiometer equipment with waterproof effect.

At present, a lot of micro potentiometers such as disc potentiometers and linear potentiometers are available on the market, but in the using process of a common micro linear potentiometer, the device cannot effectively prevent water from being applied to the outer wall of the micro linear potentiometer, so that the device is contacted by a water source, the internal permeation of the device is easily caused to cause serious failure of the device, and the normal use of the device is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a miniature waterproof potentiometer, and the technical problem to be solved by the present invention is: in the using process of a common micro linear potentiometer, the device cannot effectively prevent the outer wall of the micro linear potentiometer from being water.

In order to achieve the purpose, the utility model provides the following technical scheme: a miniature waterproof potentiometer comprises a potentiometer body, wherein a bearing is fixedly connected to one side of the potentiometer body, a rotating shaft is sleeved and connected to an inner ring wall of the bearing, one end of an outer ring wall of the rotating shaft is sleeved and connected with an inner wall of a corresponding potentiometer body, a connector lug is fixedly connected to the other side of the potentiometer body, a waterproof mechanism is fixedly installed at the top end of the potentiometer body and comprises two baffles, a fixed plate, two clamping grooves, two inclined plates and two clamping blocks, the bottom ends of the two baffles are fixedly connected with the top end of the corresponding potentiometer body, the fixed plate is fixedly connected between the two baffles, the clamping grooves are formed in the two sides of the fixed plate, the inclined plates are movably installed on the two sides of the fixed plate, the clamping blocks are fixedly connected to one sides of the two inclined plates, the outer walls of the two clamping blocks are embedded and connected with the inner walls of the corresponding clamping grooves, and a protection mechanism is movably installed on the other side of the potentiometer body, the protection mechanism comprises a protection cover, a round hole and a waterproof raised line, one side of the protection cover is movably connected with the other side of the corresponding device body, the round hole is formed in the other side of the protection cover, and the waterproof raised line is sleeved and connected with the inner ring wall of the round hole.

In a preferred embodiment, two circular grooves are formed in the other side of the device body, the protection mechanism further comprises two cylinders, one ends of the two cylinders are fixedly connected with one side of the corresponding protection cover, and outer annular walls of the two cylinders are connected with inner annular walls of the corresponding circular grooves in an embedded mode.

In a preferred embodiment, a cotton sliver made of polytetrafluoroethylene material is fixedly mounted on the inner annular wall of the bearing, the size of the outer diameter of the cotton sliver is matched with the size of the inner diameter of the inner annular wall of the corresponding bearing, and the size of the inner diameter of the cotton sliver is matched with the size of the outer diameter of the outer annular wall of the corresponding rotating shaft.

In a preferred embodiment, one end of the connector lug is movably provided with a round cover, and the inner diameter size of the round cover is matched with the outer diameter size of the corresponding end of the connector lug.

In a preferred embodiment, the height dimension of each of the two baffles is larger than the height dimension of the corresponding fixing plate.

In a preferred embodiment, the size of the area of one side of each of the two inner walls of the clamping groove is matched with the size of the area of one side of the outer wall of the corresponding clamping block, and the size of the depth of the two inner walls of the clamping groove is matched with the size of the length of the outer wall of the corresponding clamping block.

In a preferred embodiment, the inner diameter of the circular hole inner ring wall is matched with the outer diameter of the corresponding waterproof convex strip outer ring wall.

In a preferred embodiment, the length dimension of each of the two cylindrical outer ring walls matches with the depth dimension of the inner ring wall of the corresponding circular groove, and the outer diameter dimension of each of the two cylindrical outer ring walls matches with the inner diameter dimension of the inner ring wall of the corresponding circular groove.

The utility model has the technical effects and advantages that:

the utility model is provided with the baffle, the fixed plate, the clamping grooves, the inclined plates and the clamping blocks, is beneficial to clamping connection between two clamping blocks and corresponding clamping grooves by workers, so that the two inclined plates are respectively and tightly connected with one side of the corresponding fixed plate, water drops falling into the upper part of the connector body are guided to leave the surface of the connector body through the separation of the baffle and the drainage of the inclined plates, the normal use of the inner part of the connector body is prevented from being influenced by the abrasion of the connector body caused by the accumulation of water sources on the outer wall of the connector body, the protective cover, the round hole and the waterproof raised line are installed, the waterproof effect when the connector is connected with external connection equipment is favorably improved through the protective cover and the waterproof raised line, the erosion of the water drops to the connection part is avoided, and the normal use of the device is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the circular groove structure of the present invention;

FIG. 3 is a schematic structural diagram of a waterproofing mechanism according to the present invention;

fig. 4 is a partial structural schematic diagram of the protection mechanism of the utility model.

The reference signs are: 1. a body; 11. a bearing; 12. a rotating shaft; 13. a connector lug; 14. a circular groove; 2. a waterproof mechanism; 21. a baffle plate; 22. a fixing plate; 23. a card slot; 24. a sloping plate; 25. a clamping block; 3. a protection mechanism; 31. a protective cover; 32. a circular hole; 33. waterproof convex strips; 34. and (4) a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to fig. 1-4, the utility model provides a miniature waterproof potentiometer, which comprises a potentiometer body 1, wherein one side of the potentiometer body 1 is fixedly connected with a bearing 11, the inner annular wall of the bearing 11 is sleeved and connected with a rotating shaft 12 so as to conveniently adjust the resistance of the potentiometer body 1, one end of the outer annular wall of the rotating shaft 12 is sleeved and connected with the inner wall of the corresponding potentiometer body 1, the other side of the potentiometer body 1 is fixedly connected with a connector lug 13, the top end of the potentiometer body 1 is fixedly provided with a waterproof mechanism 2, the waterproof mechanism 2 comprises two baffle plates 21, a fixing plate 22, two clamping grooves 23, two inclined plates 24 and two clamping blocks 25, the bottom ends of the two baffle plates 21 are fixedly connected with the top end of the corresponding potentiometer body 1, the fixing plate 22 is fixedly connected between the two baffle plates 21, the clamping grooves 23 are respectively arranged at the two sides of the fixing plate 22, the inclined plates 24 are respectively and movably arranged at the two sides of the fixing plate 22 for guiding water drops falling into the outer wall of the potentiometer body 1, avoid piling up and erode the outer wall of the ware body 1, the equal fixedly connected with fixture block 25 in one side of two swash plates 24, the outer wall of two fixture blocks 25 all is connected with the inner wall embedding that corresponds draw-in groove 23, the opposite side movable mounting of the ware body 1 has protection machanism 3, protection machanism 3 includes protection casing 31, round hole 32, waterproof sand grip 33, one side of protection casing 31 and the opposite side swing joint who corresponds the ware body 1, round hole 32 is seted up to the opposite side of protection casing 31, the interior rampart cover of round hole 32 is established and is connected with waterproof sand grip 33, avoid the influence of water droplet to connector 13 and external connection department.

Preferably, two circular slots 14 have been seted up to the opposite side of ware body 1, and protection machanism 3 still includes two cylinders 34, the one end of two cylinders 34 all with the one side fixed connection who corresponds protection casing 31, the outer rampart of two cylinders 34 all with the inner ring wall embedding that corresponds circular slot 14 is connected, the staff of being convenient for installs the change to protection casing 31.

Preferably, the inner ring wall of the bearing 11 is fixedly provided with a cotton sliver made of polytetrafluoroethylene material, the outer diameter of the cotton sliver is matched with the inner diameter of the inner ring wall of the corresponding bearing 11, the inner diameter of the cotton sliver is matched with the outer diameter of the outer ring wall of the corresponding rotating shaft 12, the friction force of the cotton sliver made of polytetrafluoroethylene material is small, and the abrasion of the bearing 11 on the rotating shaft 12 is greatly reduced.

Preferably, the one end movable mounting dome of connector lug 13, the internal diameter size of dome and the external diameter size of corresponding connector lug 13 one end match the setting, and the installation dome is favorable to protecting the outer wall of connector lug 13, avoids the one end of connector lug 13 to receive the damage.

Preferably, the height of each of the two baffles 21 is larger than that of the corresponding fixing plate 22, so that the device can be used normally.

Preferably, the area size of two draw-in grooves 23 inner wall one sides all matches the setting with the area size that corresponds fixture block 25 outer wall one side, and the degree of depth size of two draw-in grooves 23 inner wall all matches the setting with the length size that corresponds fixture block 25 outer wall, and the compactness that draw-in groove 23 and fixture block 25 are connected of being convenient for does benefit to the use.

Preferably, the inner diameter of the circular hole 32 is matched with the outer diameter of the circular hole 33, so as to facilitate the stable installation of the waterproof rib 33 on the inner wall of the circular hole 32.

Preferably, the length dimension of the outer annular walls of the two cylinders 34 is matched with the depth dimension of the inner annular wall of the corresponding circular groove 14, and the outer diameter dimension of the outer annular walls of the two cylinders 34 is matched with the inner diameter dimension of the inner annular wall of the corresponding circular groove 14, so that the connection between the protective cover 31 and the device body 1 is stable.

The working principle of the utility model is as follows: use two swash plates 24 respectively with correspond one side swing joint of fixed plate 22, then make 24 one side fixed connection's of swash plate fixture block 25 carry out the joint with the draw-in groove 23 that corresponds fixed plate 22 one side and be connected, thereby make closely that swash plate 24 and fixed plate 22 are connected, be convenient for carry out the drainage to the water droplet that falls into the external wall of the ware body 1 and avoid piling up, two baffles 21 of installation are favorable to avoiding the water droplet lateral flow to cause the damage to the both sides of the ware body 1, installation protection casing 31 and waterproof sand grip 33 are favorable to protecting the position of being connected with connector lug 13, avoid the water droplet to cause the erosion to connector lug 13, influence the normal use of device.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a miniature waterproof type potentiometre, includes ware body (1), its characterized in that: one side of the device body (1) is fixedly connected with a bearing (11), the inner ring wall of the bearing (11) is sleeved with a rotating shaft (12), one end of the outer ring wall of the rotating shaft (12) is sleeved with the inner wall of the corresponding device body (1) and connected, the other side of the device body (1) is fixedly connected with a connector lug (13), the top end of the device body (1) is fixedly provided with a waterproof mechanism (2), the waterproof mechanism (2) comprises two baffle plates (21), a fixing plate (22), two clamping grooves (23), two inclined plates (24) and two clamping blocks (25), the bottom ends of the two baffle plates (21) are fixedly connected with the top end of the corresponding device body (1), the fixing plate (22) is fixedly connected between the two baffle plates (21), the clamping grooves (23) are arranged on the two sides of the fixing plate (22), the inclined plates (24) are movably arranged on the two sides of the fixing plate (22), two equal fixedly connected with fixture block (25) in one side of swash plate (24), two the outer wall of fixture block (25) all is connected with the inner wall embedding that corresponds draw-in groove (23), the opposite side movable mounting of the ware body (1) has protection machanism (3), protection machanism (3) are including protection casing (31), round hole (32), waterproof sand grip (33), the opposite side swing joint of one side and the corresponding ware body (1) of protection casing (31), round hole (32) are seted up to the opposite side of protection casing (31), the interior rampart cover of round hole (32) is established and is connected with waterproof sand grip (33).

2. The miniature waterproof potentiometer according to claim 1, wherein the miniature waterproof potentiometer comprises: two circular grooves (14) are formed in the other side of the device body (1), the protection mechanism (3) further comprises two cylinders (34), one ends of the two cylinders (34) are fixedly connected with one side of the corresponding protection cover (31), and the outer annular walls of the two cylinders (34) are connected with the inner annular walls of the corresponding circular grooves (14) in an embedded mode.

3. The miniature waterproof potentiometer according to claim 1, wherein the miniature waterproof potentiometer comprises: the inner ring wall of the bearing (11) is fixedly provided with a cotton sliver made of polytetrafluoroethylene materials, the size of the outer diameter of the cotton sliver is matched with the size of the inner diameter of the inner ring wall of the corresponding bearing (11), and the size of the inner diameter of the cotton sliver is matched with the size of the outer diameter of the outer ring wall of the corresponding rotating shaft (12).

4. The miniature waterproof potentiometer according to claim 1, wherein the miniature waterproof potentiometer comprises: one end movable mounting dome of connector lug (13), the internal diameter size of dome and the external diameter size of corresponding connector lug (13) one end match the setting.

5. The miniature waterproof potentiometer according to claim 1, wherein the miniature waterproof potentiometer comprises: the height dimension of the two baffles (21) is larger than that of the corresponding fixing plate (22).

6. The miniature waterproof potentiometer according to claim 1, wherein the miniature waterproof potentiometer comprises: two the area size of draw-in groove (23) inner wall one side all matches the setting with the area size of corresponding fixture block (25) outer wall one side, two the degree of depth size of draw-in groove (23) inner wall all matches the setting with the length dimension size of corresponding fixture block (25) outer wall.

7. The miniature waterproof potentiometer according to claim 1, wherein the miniature waterproof potentiometer comprises: the inner diameter size of the inner ring wall of the round hole (32) is matched with the outer diameter size of the outer ring wall of the corresponding waterproof convex strip (33).

8. The miniature waterproof potentiometer according to claim 2, wherein the miniature waterproof potentiometer comprises: the length dimension of the outer annular walls of the two columns (34) is matched with the depth dimension of the inner annular wall of the corresponding circular groove (14), and the outer diameter dimension of the outer annular walls of the two columns (34) is matched with the inner diameter dimension of the inner annular wall of the corresponding circular groove (14).