CN210981143U

CN210981143U - Linear displacement sensor rapid Assembly structure

Info

Publication number: CN210981143U
Application number: CN201922379929.0U
Authority: CN
Inventors: 杨龙
Original assignee: Shenzhen Shunyang Jinggong Electronic Technology Co ltd
Current assignee: Shenzhen Shunyang Jinggong Electronic Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-07-10
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a linear displacement sensor rapid Assembly structure, this sensor comprises main body cover, resistance card, slider brush subassembly, electrical connection subassembly, left end lid and right-hand member lid. The main body shell is of a long barrel shape, and a resistor disc inserting position and an inserting sliding groove position of the sliding block electric brush assembly are arranged in the main body shell. The slider brush subassembly comprises slider seat, slider face-piece, brush, and slider seat structure is the middle part top of connecting bridge portion is located to the middle part, the joint seat of two parallel sliders, a connecting bridge portion perpendicular connection two sliders around for slider seat structure, and joint seat both sides are equipped with trip portion, and the middle part both sides of slider face-piece bottom set up the mounting groove and the joint groove of installation slider seat. The brush is fixed on the brush mount pad, then fixes in slider seat bottom, can push into the slider seat by main body housing one end, places the gasket, and fixed left end lid and right-hand member lid realize the unit mount with slider face-piece shell directly pressing and slider seat joint promptly at last, and buckle formula assembly is more convenient and fast.

Description

Linear displacement sensor rapid Assembly structure

Technical Field

The utility model relates to a mechanical assembly technical field especially relates to a linear displacement sensor rapid Assembly structure.

Background

The displacement sensor is widely applied to occasions needing accurate displacement measurement, such as woodworking machinery, special machinery for injection molding machines, special machinery for plastic suction machines, printing machinery, medical equipment and instruments, position control of robots, engineering monitoring computer control movement mechanical systems and the like. The linear displacement sensor is based on the principle of a slide rheostat and converts mechanical displacement into an electric signal. The slide rheostat changes the resistance value through the displacement of the slide sheet on the slide rail, the two ends of the slide rheostat are connected with direct current voltage, small microampere current is allowed to pass, and the voltage between the slide sheet and the starting end is in direct proportion to the moving length of the slide sheet. The existing sliding block type displacement sensor product structure comprises a long cylindrical shell, a resistance card positioned in the shell, a sliding block electric brush assembly connected with an object to be measured and matched with the resistance card, and a sealing sheet penetrating through the sliding block electric brush assembly and fixed on the upper surface of the shell. Slider brush subassembly has the support shell fragment of slider face-piece, the slider, the butt gasket, at first will support the shell fragment through the screw and fix in the slider face-piece, then place the butt gasket on the slider, press again and make the slider and support the shell fragment deformation, the screw hole of slider bottom both sides corresponds with the screw connection post of slider face-piece, beat the screw again, after accomplishing above action, push in slider one end from long cylindric shell one end, fix both ends again at last. The slider brush component of the existing slider type displacement sensor is troublesome to assemble and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art not enough, provided a linear displacement sensor rapid Assembly structure, the main modified place is exactly the assembly structure of slider brush subassembly, realizes assembling more convenient and fast.

The utility model adopts the technical proposal that: the utility model provides a linear displacement sensor rapid Assembly structure, linear displacement sensor comprises main body cover, resistance card, slider brush subassembly, electrical connection subassembly, left end lid and right-hand member lid, and the resistance card is installed in main body cover, and slider brush subassembly horizontal slip on main body cover assembles, and electrical connection subassembly connects the resistance card and locates main body cover's one end, and left end lid or right-hand member are covered and are provided with the signal output bayonet joint. The electric resistance card sliding type sliding block brush component is characterized in that the main body shell is in a long barrel shape, and a resistance card inserting position and an inserting sliding groove position of the sliding block brush component are arranged in the main body shell. The sliding block brush assembly consists of a sliding block seat, a sliding block face shell and a brush, the sliding block seat is structurally characterized in that a front sliding block and a rear sliding block are parallel, a connecting bridge part is vertically connected with the middle parts of the two sliding blocks, a clamping seat is arranged above the middle part of the connecting bridge part, and clamping hook parts are arranged on two sides of the clamping seat; and the two sides of the middle part of the bottom of the sliding block surface shell are provided with a mounting groove and a clamping groove for mounting the sliding block seat.

The center of the bottom of the connecting bridge part is provided with a screw connecting column, the connecting column is connected with an electric brush mounting seat through the screw connecting column, the electric brush mounting seat is in a square block shape, the center of the bottom of the connecting bridge part is provided with a hole site for butting the screw connecting column, the upper end of the electric brush mounting seat is provided with a groove position, and when the electric brush mounting seat is fixed at the bottom of the connecting bridge part, the groove position is clamped on two sides of the connecting bridge part; the electric brush is fixed at the front end or the rear end of the electric brush mounting seat.

Furthermore, the front end or the rear end of the electric brush mounting seat is provided with positioning columns and screw hole sites for mounting the electric brush, the positioning columns comprise two positioning columns, the screw hole sites are arranged in the middle of the two positioning columns, three through holes are formed in the mounting piece at the upper end of the electric brush, the two through holes on the two sides of the electric brush are hung on the positioning columns, the middle through hole corresponds to the screw hole sites, a fixing pressing piece is arranged on the fixing pressing piece, three through holes are also formed in the fixing pressing piece, the through holes on the two sides of the electric brush are hung on the positioning columns, the through hole in the middle of the fixing pressing piece corresponds to the screw hole site, the fixing pressing piece is pressed on the mounting piece.

Two sliding grooves are formed in two sides of the upper surface of the main body shell along the length direction, two long grooves are formed in the adjacent inner sides of the sliding grooves, rubber magnetic stripes are embedded in the long grooves, long groove openings are formed in the adjacent inner sides of the two long grooves, and the long groove openings are passages of the sliding block seat; and the two sides of the bottom of the sliding block surface shell are provided with convex edge parts meshed with the sliding grooves.

And further, a sealing piece is arranged on the clamping seat and is made of a magnetic soft steel sheet, and a scraping plate part abutting against the sealing piece is arranged in the sliding block surface shell. Through holes are arranged at two ends of the sealing sheet, and connecting columns inserted into the through holes are arranged in the left end cover and the right end cover.

Furthermore, a connecting end is arranged on the upper portion of the sliding block face shell, a bolt is arranged on the connecting end, and the sliding block face shell is connected with an object to be measured through the bolt.

The utility model has the advantages that: through the quick assembly structure of the linear displacement sensor designed by the technical scheme, the quick assembly structure is mainly embodied in the assembly of a sliding block brush component. Traditional structure assembly is more loaded down with trivial details, traditional slider brush subassembly has the slider face-piece usually, the slider, the support shell fragment of butt gasket, at first will support the shell fragment through the screw and fix in the slider face-piece, then place the butt gasket on the slider, press again and make slider and support shell fragment deformation, the screw hole of slider bottom both sides corresponds with the screwed connection post of slider face-piece, beat the screw again, after accomplishing above action, push in slider one end from long cylindric shell one end, fix both ends again at last. The assembly structure designed by the scheme replaces the supporting elastic sheet by the scraping plate part integrally formed with the sliding block surface shell, so that the step of installing the supporting elastic sheet is saved. Fix the brush on the brush mount pad, then the brush is fixed in slider seat bottom, can push into slider seat by main body housing one end earlier, then place the gasket, left end lid and right-hand member lid are fixed, directly press the slider face-piece at last and realize the unit mount with slider seat buckle formula joint promptly, the assembly need not too much wrong screw, and the buckle formula is connected more conveniently, swiftly.

Drawings

Fig. 1 is an exploded view of the overall structure of the present invention.

Fig. 2 is the schematic view of the bottom of the sliding block seat and the sliding block surface shell of the present invention.

Fig. 3 is a schematic view of the overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a structure for rapidly assembling a linear displacement sensor is disclosed, wherein the linear displacement sensor is composed of a main body housing 1, a resistance chip 2, a slider brush assembly, an electrical connection assembly, a left end cap 9 and a right end cap 10, the resistance chip 2 is installed in the main body housing 1, the slider brush assembly is assembled on the main body housing 1 to slide left and right, the electrical connection assembly is connected with the resistance chip 2 and is arranged at one end of the main body housing 1, and a signal output plug is arranged on the left end cap 9 or the right end cap 10. The main body shell 1 is in a long cylindrical shape, and an inserting position 11 of the resistor disc 2 and an inserting sliding groove position 12 of the sliding block electric brush component are arranged in the main body shell 1. The slider brush component comprises slider seat 3, slider face shell 4, brush 7, and slider seat 3 structure is that the middle part of two sliders 31, a joint bridge portion 32 vertical connection of slider 31, a joint seat 33 are located the middle part top of joint bridge portion 32 around two parallels slider 31, a connecting bridge portion 32, and joint seat 33 both sides are equipped with trip portion 331. And the two sides of the middle part of the bottom of the sliding block surface shell 4 are provided with a mounting groove 42 and a clamping groove 43 for clamping and mounting the sliding block seat 3.

Preferably, the slider 31, the connecting bridge portion 32, the engaging seat 33, and the engaging hook portion 331 forming the slider seat 3 are integrally injection molded plastic parts.

As a preferred scheme, a screw connection post 321 is arranged at the center of the bottom of the connection bridge part 32, the connection with a brush installation seat 6 is achieved through the screw connection post 321, the brush installation seat 6 is in a square shape, a hole for butting with the screw connection post 321 is arranged at the center of the bottom, a groove position is arranged at the upper end of the brush installation seat 6, and when the brush installation seat 6 is fixed at the bottom of the connection bridge part 32, the groove position is clamped on two sides of the connection bridge part 32; the brush 7 is fixed to the front end or the rear end of the brush attachment seat 6.

As a preferred scheme, the front end or the rear end of the brush mounting seat 6 is provided with two positioning columns and two screw holes for mounting the brush 7, the two positioning columns are arranged at the middle position of the two positioning columns, the mounting sheet at the upper end of the brush 7 is provided with three through holes, wherein the two through holes at the two sides are hung on the positioning columns, the middle through hole corresponds to the screw hole and is provided with a fixed pressing sheet, the fixed pressing sheet is also provided with three through holes, the through holes at the two sides are hung on the positioning columns, the through hole at the middle corresponds to the screw hole, the fixed pressing sheet is pressed on the mounting sheet of the brush 7, and the fixed pressing sheet is fixed by a screw to realize the fixed mounting of the brush 7 on the brush mounting seat.

Furthermore, two sliding grooves 14 are formed in two sides of the upper surface of the main body shell 1 along the length direction, two long grooves 15 are formed in the adjacent inner sides of the sliding grooves 14, rubber magnetic stripes are embedded in the long grooves 15, long groove openings 13 are formed in the adjacent inner sides of the two long grooves 15, and the long groove openings 13 are passages of the sliding block seat 3; and convex edge parts 41 meshed with the sliding grooves 14 are arranged on two sides of the bottom of the sliding block surface shell 4.

Preferably, the clamping seat 33 is provided with a sealing sheet 5, the sealing sheet 5 is made of a magnetic soft steel sheet, a scraper portion 45 abutting against the sealing sheet 5 is arranged in the slider face shell 4, through holes are arranged at two ends of the sealing sheet 5, and connecting columns inserted into the through holes are arranged in the left end cover 9 and the right end cover 10.

Furthermore, the upper part of the sliding block surface shell 4 is provided with a connecting end 46, the connecting end 46 is provided with a bolt 47, and the object to be measured is connected through the bolt 47.

Through this technical scheme, its assembling process is for fixing brush 7 on brush mount pad 6, then brush mount pad 6 is fixed in slider seat 3 bottom, can push slider seat 3 by main body housing 1 one end earlier, then place gasket 5, left end lid 9 and right-hand member lid 10 are fixed, at last with slider face-piece 4 directly press down with 3 buckle formula joints of slider seat realize the unit mount promptly, the assembly need not too much wrong screw, the buckle formula is connected more conveniently, swiftly.

The utility model discloses do not restrict the length of main part shell 1.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. But rather, obvious variations and modifications may be made without departing from the spirit of the invention.

Claims

1. The utility model provides a linear displacement sensor rapid Assembly structure, linear displacement sensor is by main body cover (1), resistance card (2), slider brush subassembly, electrical connection subassembly, left end lid (9) and right-hand member lid (10) are constituteed, install in main body cover (1) resistance card (2), slider brush subassembly is assembled and is slided from side to side on main body cover (1), electrical connection subassembly connects resistance card (2) and locates the one end of main body cover (1), be provided with the signal output bayonet joint on left end lid (9) or right-hand member lid (10), its characterized in that: the main body shell (1) is in a long cylinder shape, and an inserting position (11) of the resistor disc (2) and an inserting sliding groove position (12) of the sliding block electric brush component are arranged in the main body shell (1); the sliding block brush assembly consists of a sliding block seat (3), a sliding block face shell (4) and an electric brush (7), the sliding block seat (3) is structurally characterized in that a front sliding block (31) and a rear sliding block (31) which are parallel to each other are arranged, a connecting bridge part (32) is vertically connected with the middle parts of the two sliding blocks (31), a clamping seat (33) is arranged above the middle part of the connecting bridge part (32), and clamping hook parts (331) are arranged on two sides of the clamping seat (33); the middle two sides of the bottom of the sliding block surface shell (4) are provided with a mounting groove (42) and a clamping groove (43) for clamping and mounting the sliding block seat (3).

2. The rapid assembly structure of a linear displacement sensor according to claim 1, characterized in that: the electric brush mounting structure is characterized in that a screw connecting column (321) is arranged in the center of the bottom of the connecting bridge part (32), an electric brush mounting seat (6) is connected through the screw connecting column (321), the electric brush mounting seat (6) is in a square block shape, a hole position for butting with the screw connecting column (321) is arranged in the center of the bottom of the electric brush mounting seat, a groove position is arranged at the upper end of the electric brush mounting seat (6), and when the electric brush mounting seat (6) is fixed to the bottom of the connecting bridge part (32), the groove position is clamped on two sides of; the electric brush (7) is fixed at the front end or the rear end of the electric brush mounting seat (6).

3. The rapid assembly structure of a linear displacement sensor according to claim 2, characterized in that: the front end or the rear end of brush mount pad (6) position is provided with reference column and the screw hole site of installation brush (7), the reference column includes two, and the screw hole site sets up the position in the middle of two reference columns, be provided with three through-hole on the mounting plate of brush (7) upper end, wherein two through-holes on both sides are hung on the reference column, and middle through-hole corresponds the screw hole site, sets up a fixed pressing sheet, also sets up three through-hole on the fixed pressing sheet, and the through-hole on same both sides is hung on the reference column, and middle through-hole corresponds the screw hole site, and fixed pressing sheet is pressed on the installation piece of brush (7), realizes brush (7) fixed mounting on brush mount pad (6) through a screw with fixed pressing sheet is fixed.

4. The rapid assembly structure of a linear displacement sensor according to claim 1, characterized in that: two sliding grooves (14) along the length direction are formed in two sides of the upper surface of the main body shell (1), two long grooves (15) are formed in the adjacent inner sides of the sliding grooves (14), rubber magnetic strips are embedded in the long grooves (15), long groove openings (13) are formed in the adjacent inner sides of the two long grooves (15), and the long groove openings (13) are passages of the sliding block seat (3); and convex edge parts (41) meshed with the sliding grooves (14) are arranged on two sides of the bottom of the sliding block surface shell (4).

5. The rapid assembly structure of a linear displacement sensor according to claim 1, characterized in that: be equipped with a gasket (5) on joint seat (33), gasket (5) adopt magnetism mild steel thin slice, are provided with in slider face-piece shell (4) and support scraper blade portion (45) of pressing gasket (5), and gasket (5) both ends are equipped with the through-hole, are provided with the spliced pole that inserts this through-hole in left end lid (9) and right-hand member lid (10).

6. The rapid assembly structure of a linear displacement sensor according to claim 1, characterized in that: the upper part of the sliding block face shell (4) is provided with a connecting end (46), the connecting end (46) is provided with a bolt (47), and an object to be measured is connected through the bolt (47).