CN218482042U - Direct-sliding potentiometer convenient to disassemble and maintain - Google Patents

Abstract

The utility model provides a direct-sliding potentiometer convenient to disassemble and maintain. The straight sliding potentiometer convenient to disassemble and maintain comprises a bottom shell; the sealing shell is rotatably arranged on the upper surface of the bottom shell through a hinge; the bottom plate is movably arranged in the inner cavity of the bottom shell; the potentiometer main body is fixedly arranged on the upper surface of the bottom plate; the potentiometer comprises a potentiometer main body, a potentiometer adjusting rod, a control circuit and a control circuit, wherein the potentiometer adjusting rod is slidably mounted on the upper surface of the potentiometer main body, and the bottom end of the potentiometer adjusting rod extends into the inner cavity of the potentiometer main body; the main toothed plate is arranged at the lower part of the inner cavity of the bottom shell in a sliding manner; the auxiliary toothed plate is fixedly mounted on the bottom surface of the bottom plate. The utility model provides a straight sliding potentiometer convenient to dismantle and maintain has convenient to use, protection nature height, advantage that life is high.

Description

Direct-sliding potentiometer convenient to disassemble and maintain

Technical Field

The utility model relates to a potentiometre technical field especially relates to a direct-sliding potentiometer convenient to dismantle maintenance.

Background

The potentiometer is an adjustable electronic component, which is composed of a resistor body and a rotating or sliding system. When a voltage is applied between two fixed contacts of the resistor body, the position of the contact on the resistor body is changed through a rotating or sliding system, and a voltage which has a certain relation with the position of the moving contact can be obtained between the moving contact and the fixed contacts. Potentiometers are often used as voltage dividers, rheostats, current controllers, and the like, and the potentiometers are various in types, wherein the direct-sliding potentiometer is widely applied to industries such as measuring instruments, fax machines, copiers, printers, sensors, and the like.

The existing direct-sliding potentiometer, such as chinese patent No. CN202122781329.4", is a direct-sliding potentiometer convenient for maintenance and disassembly, and its main structure includes a main body of the device; the device main body comprises a device body, a bottom plate and a potential rod; the bottom plate is fixedly connected to the bottom of the device body; the potential rod is movably connected to the upper end of the device body; the bottom of the device main body is provided with a dismounting mechanism; the disassembling mechanism comprises a connecting machine base, a guide rod, a sliding block, a ball groove, a pull bolt, a bolt spring and a limiting groove; the connecting base is arranged at the bottom of the device main body; the guide rod is inserted in the connecting base; the sliding block is fixedly connected to the inner wall of the guide rod; the ball is movably connected inside the sliding block; the bead groove is arranged inside the bottom plate; the pulling bolt is inserted in the bottom plate; the bottom of the device main body is provided with the dismounting mechanism, so that the bottom plate can be quickly mounted and dismounted, the position of the device main body is fixedly dismounted, and the working efficiency is improved. Although the device is through the structural design that sets up disassembly body in the bottom of device main part, place the device main part in the upper end of even frame, through setting up the guide bar, install the slider in the one end of guide bar, slide in the inside pearl groove of bottom plate through slider internally mounted ball, make the slip orient, pull out through pulling out bottom plate upper end tie bolt, because the outside cover of tie bolt is equipped with the bolt spring, restrict the bolt spring through the spacing groove, after the release, through the resilience of bolt spring itself, make the drive tie bolt insert and establish in even frame inside, make and install fast, through pulling the tie bolt, make the position quick dismantlement to the bottom plate, realized quick installation and disassembly bottom plate, fix the dismantlement to the position of device main part, improve work efficiency's function, it needs often to control the straight sliding potentiometer when having solved because control device, make it more easily damaged, it is difficult to quick dismantlement maintain, thereby cause the problem that work efficiency is low, work efficiency has improved work efficiency, but dust and aqueous vapor in the air easily get into the device through the inside clearance of electric potential bar and the device main part, thereby the problem of the device in the long service life has resulted in the past, thereby the easy damage of this device, the problem of the device, thereby the life has been led to low.

Therefore, there is a need to provide a new direct-sliding potentiometer which is easy to disassemble and maintain to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a convenient to detach maintenance's straight gliding style potentiometre convenient to use, protection nature are high, life is high.

In order to solve the technical problem, the utility model provides a direct-sliding potentiometer convenient to dismantle and maintain includes: a bottom case; the sealing shell is rotatably arranged on the upper surface of the bottom shell through a hinge; the bottom plate is movably arranged in the inner cavity of the bottom shell; the potentiometer main body is fixedly arranged on the upper surface of the bottom plate; the potentiometer comprises a potentiometer main body, a potentiometer adjusting rod, a control circuit and a control circuit, wherein the potentiometer adjusting rod is slidably mounted on the upper surface of the potentiometer main body, and the bottom end of the potentiometer adjusting rod extends into the inner cavity of the potentiometer main body; the main toothed plate is arranged at the lower part of the inner cavity of the bottom shell in a sliding manner; the auxiliary toothed plate is fixedly mounted on the bottom surface of the bottom plate, the tooth surface of the auxiliary toothed plate and the tooth surface of the main toothed plate are arranged in a staggered mode, and the auxiliary toothed plate is movably connected with the main toothed plate; the two limiting plates are symmetrically and rotatably arranged on the left side and the right side of the inner cavity of the sealing shell, the bottoms of the limiting plates extend out of the inner cavity of the sealing shell, and the bottom surfaces of the limiting plates are movably connected with the upper surface of the bottom plate; the two first trapezoidal screws are symmetrically and movably arranged on the left side and the right side of the bottom surface of the sealing shell through bearings and are in transmission connection with the corresponding limiting plates; the clamping component comprises a clamping groove and a clamping block, the clamping groove is formed in the front portion of the bottom surface of the sealing shell, the clamping block is arranged in front of the upper surface of the bottom shell in a sliding mode, and the clamping block is connected with the clamping groove in a clamped mode.

Preferably, the inner chamber top surface slidable mounting of sealed shell has the regulating block, the bottom surface symmetry fixed mounting of regulating block has two insulating spring leafs, the potential adjusting pole and two the inside wall swing joint of spring leaf, the preceding lateral wall of sealed shell has the trapezoidal screw of second through bearing movable mounting, the rear end of the trapezoidal screw of second extends to in the inner chamber of sealed shell, just the trapezoidal screw of second and regulating block threaded connection.

Preferably, two mounting grooves have been seted up to the inner chamber left and right sides symmetry of seal shell, slidable mounting has the slider in the inner chamber of mounting groove, the top of first trapezoidal screw extends to in the inner chamber of mounting groove, just first trapezoidal screw and the slider threaded connection that corresponds, the lateral wall of slider articulates there is the connecting plate, the connecting plate is articulated with the lateral wall of the limiting plate that corresponds.

Preferably, the buckle assembly further comprises a pull rod and a first compression spring, the fixture block is slidably mounted in an inner cavity of the groove, the upper portion of the fixture block extends out of the inner cavity of the groove, the pull rod is slidably mounted on a front side wall of the sealing shell, the rear end of the pull rod extends into the inner cavity of the groove, the rear end of the pull rod is fixedly connected with the front side wall of the fixture block, the first compression spring is movably sleeved on the pull rod, and two ends of the first compression spring are fixedly connected with the front portion of the inner cavity of the groove and the front side wall of the fixture block respectively.

Preferably, four pillars are symmetrically and vertically and fixedly mounted on the bottom surface of the main toothed plate, the lower portions of the pillars are slidably connected with the bottom surface of the inner cavity of the bottom shell, second compression springs are movably sleeved on the outer surfaces of the pillars, and two ends of each second compression spring are fixedly connected with the bottom surface of the main toothed plate and the bottom surface of the inner cavity of the bottom shell respectively.

Preferably, the upper surface of drain pan and the equal circumference fixed mounting of the bottom surface of seal shell have sealed frame strip, and two sealed frame strip swing joint.

Compared with the prior art, the utility model provides a pair of straight sliding type potentiometre convenient to dismantle maintenance has following beneficial effect:

the utility model provides a straight sliding type potentiometre convenient to dismantle maintenance, through setting up sealed shell, make sealed shell closed under fixture block and draw-in groove combined state, can carry out dustproof and waterproof to the potentiometre main part, the protectiveness is high, the dust and aqueous vapor of having avoided traditional potentiometre device in the use air easily pass through inside the slip space access device main part between electric potential bar and device main part, dust and aqueous vapor adhere to easily to make the device receive the damage on the inside component of device main part in the long run, thereby the device protectiveness has been leaded to be low, the problem that life is low, and operating personnel pulling pull rod drives the fixture block motion, make the inner wall separation of fixture block and draw-in groove, operating personnel upset sealed shell opens afterwards, make the upper surface of limiting plate and bottom plate and the lateral wall separation of potentiometre main part, later operating personnel can directly take out the potentiometre main part, be convenient for carry out quick dismantlement maintenance to the potentiometre main part, simultaneously through setting up first trapezoidal screw rod, operating personnel rotate first trapezoidal screw rod and can drive the limiting plate and rotate, make the lower part of limiting plate and the lateral wall of potentiometre main part and the upper surface contact of bottom plate, can carry out the size of different directions and carry out the electric potential direction and control.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a direct-sliding potentiometer convenient to disassemble and maintain according to the present invention;

fig. 2 is a schematic close-up view of the middle bottom case and the sealing case of the present invention;

fig. 3 is a schematic cross-sectional structural view of the middle bottom shell, the sealing shell, the limiting plate, the first trapezoidal screw, the connecting plate, the slider, the main potentiometer body, the bottom plate, the main toothed plate, the auxiliary toothed plate and the second compression spring of the present invention;

fig. 4 is an enlarged schematic view of a portion a shown in fig. 1.

The reference numbers in the figures: 1. a bottom case; 2. sealing the shell; 3. a base plate; 4. a potentiometer main body; 5. a potential adjusting rod; 6. a main toothed plate; 7. a secondary toothed plate; 8. a limiting plate; 9. a first trapezoidal screw; 101. a card slot; 102. a clamping block; 103. a pull rod; 104. a first compression spring; 11. an adjusting block; 12. a spring plate; 13. a second trapezoidal screw; 14. a slider; 15. a connecting plate; 16. a second compression spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a direct sliding potentiometer convenient to disassemble and maintain according to the present invention; fig. 2 is a schematic close-up view of the middle bottom case and the sealing case of the present invention; fig. 3 is a schematic cross-sectional structural view of the middle bottom shell, the sealing shell, the limiting plate, the first trapezoidal screw, the connecting plate, the slider, the main potentiometer body, the bottom plate, the main toothed plate, the auxiliary toothed plate and the second compression spring of the present invention; fig. 4 is an enlarged schematic view of a portion a shown in fig. 1.

A kind of direct-sliding potentiometer easy to dismantle and maintain includes: a bottom case 1; the sealing shell 2 is rotatably mounted on the upper surface of the bottom shell 1 through a hinge, and the sealing shell 2 is high in protection after being closed and can be dustproof and waterproof; the bottom plate 3 is movably arranged in the inner cavity of the bottom shell 1; the potentiometer main body 4 is fixedly arranged on the upper surface of the bottom plate 3; the potentiometer comprises a potentiometer main body 4, a potentiometer rod 5, a potentiometer slide block, a slide block and a slide block, wherein the potentiometer rod 5 is slidably mounted on the upper surface of the potentiometer main body 4, and the bottom end of the potentiometer rod 5 extends into the inner cavity of the potentiometer main body 4; the main toothed plate 6 is arranged at the lower part of the inner cavity of the bottom shell 1 in a sliding manner; the auxiliary toothed plate 7 is fixedly mounted on the bottom surface of the bottom plate 3, the tooth surface of the auxiliary toothed plate 7 and the tooth surface of the main toothed plate 6 are arranged in a staggered manner, the auxiliary toothed plate 7 is movably connected with the main toothed plate 6, and the potentiometer main body 4 can be limited in the front-back direction and prevented from displacing in the front-back direction through combination of the two staggered tooth surfaces; the two limiting plates 8 are symmetrically and rotatably arranged on the left side and the right side of the inner cavity of the sealing shell 2, the bottoms of the limiting plates 8 extend out of the inner cavity of the sealing shell 2, and the bottom surfaces of the limiting plates 8 are movably connected with the upper surface of the bottom plate 3; the two first trapezoidal screws 9 are symmetrically and movably mounted on the left side and the right side of the bottom surface of the sealing shell 2 through bearings, and the first trapezoidal screws 9 are in transmission connection with the corresponding limiting plates 8; the clamping assembly comprises a clamping groove 101 and a clamping block 102, the clamping groove 101 is formed in the front portion of the bottom surface of the sealing shell 2, the clamping block 102 is arranged in front of the upper surface of the bottom shell 1 in a sliding mode, the clamping block 102 is connected with the clamping groove 101 in a clamping mode, and the clamping block 102 is combined with the clamping groove 101 to limit and fix the sealing shell 2 in a closed mode.

The utility model discloses a resistance adjusting device, including sealed shell 2, regulation piece 11, two insulating spring leafs 12, level adjusting rod 5 and two inside wall swing joint of spring leaf 12, when operating personnel overturns sealed shell 2 closes, with the position control of two spring leafs 12 to the corresponding position of level adjusting rod 5, sealed shell 2 rotates the closed two spring leaf 12 movements of drive, thereby makes level adjusting rod 5 card carries out spacing centre gripping between two spring leafs 12, and then when two can drive level adjusting rod 5 movements during the spring leaf 12 moves, there is second trapezoidal screw 13 at the preceding lateral wall of sealed shell 2 through bearing movable mounting, the rear end of second trapezoidal screw 13 extends to in the inner chamber of sealed shell 2, just second trapezoidal screw 13 and 11 threaded connection of regulation piece rotate through operating personnel second trapezoidal screw 13 drives the motion of regulation piece 11, thereby drives two the motion of spring leaf 12, and then drives level adjusting rod 5 moves, and convenient as required is right thereby the position of level adjusting rod 5 adjusts resistance value.

Two mounting grooves have been seted up to the inner chamber left and right sides symmetry of seal shell 2, slidable mounting has slider 14 in the inner chamber of mounting groove, the top of first trapezoidal screw 9 extends to in the inner chamber of mounting groove, just first trapezoidal screw 9 and the 14 threaded connection of slider that correspond, slider 14's lateral wall articulates there is connecting plate 15, connecting plate 15 is articulated with the lateral wall of the limiting plate 8 that corresponds, rotates through operating personnel first trapezoidal screw 9 drives slider 14 motion to drive connecting plate 15 and rotate, and then drive limiting plate 8 rotates, can adjust limiting plate 8's angle makes the lower part of limiting plate 8 and the lateral wall of potentiometre main part 4 of different specification sizes and the last surface contact of bottom plate 3 can be right potentiometre main part 4 carries out the spacing of vertical direction and left and right directions, has promoted dismouting efficiency.

The buckle assembly further comprises a pull rod 103 and a first compression spring 104, the clamping block 102 is slidably mounted in an inner cavity of the groove, the upper portion of the clamping block 102 extends out of the inner cavity of the groove, the pull rod 103 is slidably mounted on the front side wall of the sealing shell 2, the rear end of the pull rod 103 extends into the inner cavity of the groove, the rear end of the pull rod 103 is fixedly connected with the front side wall of the clamping block 102, the first compression spring 104 is movably sleeved on the pull rod 103, two ends of the first compression spring 104 are fixedly connected with the front portion of the inner cavity of the groove and the front side wall of the clamping block 102 respectively, and when the sealing shell 2 is turned over and closed, the clamping block 102 is tightly combined with the clamping groove 101 under the elastic force action of the first compression spring 104.

Vertical fixed mounting has four pillars in the bottom surface symmetry of main pinion rack 6, the lower part of pillar and the inner chamber bottom surface sliding connection of drain pan 1, the surface movable sleeve of pillar is equipped with second compression spring 16, the both ends of second compression spring 16 respectively with the bottom surface of main pinion rack 6 and the inner chamber bottom surface fixed connection of drain pan 1 drive main pinion rack 6 upward movement under the ascending elastic force effect of second compression spring 16, thus it is right potentiometer main body 4 carries out the ascending support of vertical direction.

The equal circumference fixed mounting in upper surface of drain pan 1 and the bottom surface of seal shell 2 has a sealing frame strip, and two sealing frame strip swing joint, 2 closed backs of seal shell, two sealing frame strip extrusion combination has promoted sealed effect.

The utility model provides a straight sliding type potentiometer convenient to dismantle maintenance's theory of operation as follows:

firstly, make sealed shell 2 closed under fixture block 102 and draw-in groove 101 combined state, can carry out dustproof and waterproof to potentiometre main part 4, protection nature is high, during the dismantlement operating personnel pulling pull rod 103 and drive fixture block 102 motion, make fixture block 102 and the inner wall separation of draw-in groove 101, operating personnel overturns sealed shell 2 afterwards and opens, make limiting plate 8 and the upper surface of bottom plate 3 and the lateral wall separation of potentiometre main part 4, make potentiometre pole 5 and two spring leafs 12 separate simultaneously, later operating personnel can directly take out potentiometre main part 4, be convenient for dismantle the maintenance fast to potentiometre main part 4, rotate first trapezoidal screw 9 through operating personnel and drive slider 14 motion, thereby drive connecting plate 15 and rotate, and then drive limiting plate 8 and rotate, can adjust the angle of limiting plate 8, make the lower part of limiting plate 8 and the lateral wall of potentiometre main part 4 and the upper surface contact of bottom plate 3, can carry out the spacing of vertical direction and left and right direction to potentiometre main part 4 of different specifications size, simultaneously after shell 2 is closed, drive second trapezoidal screw 13 and drive regulating block 11 motion, thereby two drive the regulation pole 12, thereby it is convenient for the final resistance adjustment pole 5 to carry out the numerical value adjustment to carry out the sealed adjustment according to the potentiometre pole.

Compared with the prior art, the utility model provides a pair of direct sliding type potentiometre convenient to dismantle maintenance has following beneficial effect:

the utility model provides a direct-sliding potentiometer convenient to dismantle maintenance, through setting up sealed shell 2, make sealed shell 2 closed under fixture block 102 and draw-in groove 101 combined state, can carry out dustproof and waterproof to potentiometre main part 4, the protectiveness is high, the dust and aqueous vapor of having avoided traditional potentiometre device in the use air easily pass through inside the slip space entering device main part between potentiometre pole and device main part, dust and aqueous vapor adhere to easily to make the device receive the damage on the inside component of device main part in the long run, thereby the device protectiveness is low, the problem that life is low, and operating personnel pulling pull rod 103 drives fixture block 102 motion, make the inner wall separation of fixture block 102 and draw-in groove 101, operating personnel upset sealed shell 2 opens afterwards, make limiting plate 8 and bottom plate 3's upper surface and potentiometre main part 4's lateral wall separation, later operating personnel can directly take out potentiometre main part 4, be convenient for dismantle maintenance fast to potentiometre main part 4, simultaneously through setting up first trapezoidal screw 9, operating personnel rotate first trapezoidal screw 9 can drive 8 and rotate, make the lower part of potentiometre main part and the lateral wall that potentiometre main part 4 can directly take out the perpendicular specification of limiting plate and the lateral wall and the limiting plate 4, the lateral wall that the potentiometre main part of limiting plate 4, the vertical direction of limiting plate can carry out the size of the right side wall and the specification of potentiometre main part, the specification size of limiting plate, the vertical direction of limiting plate, the lateral wall.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims (6)

1. A direct-sliding potentiometer convenient to disassemble and maintain is characterized by comprising:

a bottom case;

the sealing shell is rotatably arranged on the upper surface of the bottom shell through a hinge;

the bottom plate is movably arranged in the inner cavity of the bottom shell;

the potentiometer main body is fixedly arranged on the upper surface of the bottom plate;

the potentiometer comprises a potentiometer main body, a potentiometer adjusting rod, a control circuit and a control circuit, wherein the potentiometer adjusting rod is slidably mounted on the upper surface of the potentiometer main body, and the bottom end of the potentiometer adjusting rod extends into the inner cavity of the potentiometer main body;

the main toothed plate is arranged at the lower part of the inner cavity of the bottom shell in a sliding manner;

the auxiliary toothed plate is fixedly mounted on the bottom surface of the bottom plate, the tooth surface of the auxiliary toothed plate and the tooth surface of the main toothed plate are arranged in a staggered mode, and the auxiliary toothed plate is movably connected with the main toothed plate;

the two limiting plates are symmetrically and rotatably arranged on the left side and the right side of the inner cavity of the sealing shell, the bottoms of the limiting plates extend out of the inner cavity of the sealing shell, and the bottom surfaces of the limiting plates are movably connected with the upper surface of the bottom plate;

the two first trapezoidal screws are symmetrically and movably arranged on the left side and the right side of the bottom surface of the sealing shell through bearings and are in transmission connection with the corresponding limiting plates;

the clamping component comprises a clamping groove and a clamping block, the clamping groove is formed in the front portion of the bottom surface of the sealing shell, the clamping block is arranged in front of the upper surface of the bottom shell in a sliding mode, and the clamping block is connected with the clamping groove in a clamped mode.

2. The direct-sliding potentiometer according to claim 1, wherein an adjusting block is slidably mounted on the top surface of the inner cavity of the sealed housing, two insulating spring strips are symmetrically and fixedly mounted on the bottom surface of the adjusting block, the potentiometer adjusting rod is movably connected with the inner side walls of the two spring strips, a second trapezoidal screw is movably mounted on the front side wall of the sealed housing through a bearing, the rear end of the second trapezoidal screw extends into the inner cavity of the sealed housing, and the second trapezoidal screw is in threaded connection with the adjusting block.

3. The direct-sliding potentiometer convenient to disassemble and maintain according to claim 1, wherein the left and right sides of the inner cavity of the sealing shell are symmetrically provided with two mounting grooves, the inner cavity of each mounting groove is provided with a sliding block, the top end of the first trapezoidal screw extends into the inner cavity of each mounting groove, the first trapezoidal screw is in threaded connection with the corresponding sliding block, the side wall of each sliding block is hinged with a connecting plate, and the connecting plate is hinged with the side wall of the corresponding limiting plate.

4. The direct-sliding potentiometer convenient to disassemble and maintain as claimed in claim 1, wherein the clamping block is slidably mounted in the inner cavity of the groove, the upper portion of the clamping block extends out of the inner cavity of the groove, the pull rod is slidably mounted on the front side wall of the sealing shell, the rear end of the pull rod extends into the inner cavity of the groove, the rear end of the pull rod is fixedly connected with the front side wall of the clamping block, the first compression spring is movably sleeved on the pull rod, and the two ends of the first compression spring are respectively fixedly connected with the front portion of the inner cavity of the groove and the front side wall of the clamping block.

5. The direct-sliding potentiometer convenient to disassemble and maintain according to claim 1, wherein four pillars are symmetrically and vertically and fixedly installed on the bottom surface of the main toothed plate, the lower portions of the pillars are slidably connected with the bottom surface of the inner cavity of the bottom shell, a second compression spring is movably sleeved on the outer surface of each pillar, and two ends of each second compression spring are respectively and fixedly connected with the bottom surface of the main toothed plate and the bottom surface of the inner cavity of the bottom shell.

6. The direct-sliding potentiometer convenient to disassemble and maintain according to claim 1, wherein sealing frame strips are circumferentially and fixedly installed on the upper surface of the bottom shell and the bottom surface of the sealing shell, and the two sealing frame strips are movably connected.

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