CN214771595U

CN214771595U - Clamping device for glass densimeter

Info

Publication number: CN214771595U
Application number: CN202121202918.6U
Authority: CN
Inventors: 严根峰
Original assignee: Shanghai Jiachuan Engineering Supervision Development Co ltd
Current assignee: Shanghai Jiachuan Engineering Supervision Development Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-19
Anticipated expiration: 2031-05-31

Abstract

The utility model belongs to the technical field of measuring instrument and specifically relates to a clamping device for glass densimeter is related to, and it includes the base, still including connecting mounting bracket on the base, connecting first centre gripping subassembly and the second centre gripping subassembly on the mounting bracket, first centre gripping subassembly is including connecting the horizontally grip ring on the mounting bracket, connecting a plurality of clamping pieces on the grip ring, the clamping piece is including sliding the depression bar of wearing to establish on the grip ring, connecting the preforming that the depression bar is located the intra-annular one end of grip ring, connecting the elastic component between preforming and grip ring inner wall, the centre of a circle setting of the directional grip ring of depression bar. This application has the effect that improves the stability of glass densimeter centre gripping.

Description

Clamping device for glass densimeter

Technical Field

The application relates to the field of measuring instruments, in particular to a clamping device for a glass densimeter.

Background

The glass densimeter is a sealed glass tube with uneven thickness, and the lower half part of the tube body is filled with a small amount of lead shots or mercury with higher density. The glass densimeter is an electronic digital display mode which can quickly and directly read the measured value according to the Archimedes principle buoyancy method without manual calculation.

When the device is used, the densimeter is vertically placed in the liquid to be measured, and after the densimeter is stable, the density of the liquid to be measured is read from the scale of the densimeter. Because the glass densimeter belongs to the fragile glass instrument of thin wall, generally adopt the mode that the densimeter was hung to the rubber band when measuring.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the density meter is easy to change in position by adopting a rubber band hanging mode, and the rubber band can be aged, fractured and the like after being used for a long time, so that the density meter is easy to fall off, and the clamping stability is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of glass densimeter centre gripping, this application provides a clamping device for glass densimeter.

The application provides a clamping device for glass densimeter adopts following technical scheme:

the utility model provides a clamping device for glass densimeter, includes the base, still includes the mounting bracket of connection on the base, connects first centre gripping subassembly and the second centre gripping subassembly on the mounting bracket, first centre gripping subassembly is including connecting the horizontally grip ring on the mounting bracket, connecting a plurality of clamping pieces on the grip ring, the clamping piece is including sliding the depression bar of wearing to establish on the grip ring, connect the preforming that the depression bar is located the intra-annular one end of grip ring, connect the elastic component between preforming and grip ring inner wall, the centre of a circle setting of the directional grip ring of depression bar.

By adopting the technical scheme, when the glass densimeter is used, the base is placed at a proper position, the pressure rod is pulled away from the axis of the clamping ring, the pressure plate compresses the spring, and the handheld glass densimeter is placed in the clamping ring; slightly withdrawing the tension of the pressure rod, and moving the pressure rod towards the glass densimeter under the action of the spring until the glass densimeter is compressed by the tabletting; and the second clamping assembly is controlled to clamp the lower part of the glass densimeter, and the first clamping assembly and the second clamping assembly improve the clamping stability of the glass densimeter.

Optionally, the clamping pieces are uniformly arranged along the circumferential direction of the clamping ring, the pressing sheet is arc-shaped, and the circle center of the pressing sheet coincides with the circle center of the clamping ring.

Through adopting above-mentioned technical scheme, the multiunit clamping piece has improved the stability to the centre gripping of glass densimeter, and the appearance of circular-arc preforming laminating glass densimeter has reached better centre gripping effect.

Optionally, the second centre gripping subassembly is including rotating horizontally lead screw, the grip block of sliding connection on the mounting bracket of connection on the mounting bracket, the lead screw is two-way threaded rod, the grip block all overlaps on two opposite screw thread sections of lead screw direction of rotation and is equipped with one, grip block and lead screw threaded connection, the grip block is V type piece, two the V type opening of grip block is relative, two the axis symmetry of grip block about the grip ring.

Through adopting above-mentioned technical scheme, rotate the lead screw, two grip blocks move towards the glass densimeter, and until two grip blocks press from both sides the lower part of glass densimeter tightly.

Optionally, a guide rod is arranged on the mounting frame, the guide rod is parallel to the screw rod, one end of the clamping block is connected to the screw rod, and the other end of the clamping block is sleeved on the guide rod in a sliding manner.

Through adopting above-mentioned technical scheme, the lead screw rotates, and the grip block slides on the guide arm, has improved the gliding stability of grip block to improve the stability of grip block centre gripping.

Optionally, the mounting bracket includes the installation cover of connection on the base, slides and inserts the carriage of establishing in the installation cover, threaded connection is at the screw rod on the installation cover lateral wall, the one end of screw rod supports tightly on the carriage.

By adopting the technical scheme, the screw rod is unscrewed, the sliding frame is moved up and down to the required height, and the screw rod is screwed down; the height adjustment is convenient, the operation is convenient.

Optionally, a sliding groove is formed in the base, the length direction of the sliding groove is perpendicular to the length direction of the threaded rod, a sliding block is arranged at the bottom of the mounting frame, and the sliding block is embedded in the sliding block and is in sliding fit with the sliding block.

Through adopting above-mentioned technical scheme, the horizontal position of the first centre gripping subassembly of adjustment and second centre gripping subassembly is convenient for to the cooperation of slider and spout to the position of adaptation determinand.

Optionally, a first elastic pad is arranged on the inner side of the pressing sheet, and second elastic pads are arranged on the opposite side faces of the two clamping blocks.

By adopting the technical scheme, the first elastic pad reduces the abrasion of the tabletting on the glass densimeter; the second resilient pad reduces wear of the clamping block on the glass densitometer.

Optionally, one end of the pressing rod, which is away from the pressing sheet, is provided with a limiting block.

Through adopting above-mentioned technical scheme, the stopper not only is convenient for the operator to hand the depression bar in order to stimulate the depression bar, avoids the depression bar to drop in the follow centre gripping intra-annular when not using simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first clamping assembly and the second clamping assembly are arranged, and the first clamping assembly and the second clamping assembly improve the clamping stability of the glass densimeter;

2. the limiting block is arranged, so that an operator can conveniently hold the pressure rod to pull the pressure rod, and the pressure rod is prevented from falling from the clamping ring when not in use;

3. the first elastic pad is arranged, and the abrasion of the pressing sheet on the glass densimeter is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a first clamping assembly in an embodiment of the present application;

fig. 3 is a schematic structural diagram for embodying the second clamping assembly in the embodiment of the present application.

Description of reference numerals: 1. a base; 11. a chute; 2. a mounting frame; 21. installing a sleeve; 211. a slider; 22. a carriage; 221. a slide bar; 23. a screw; 3. a first clamping assembly; 31. a first support frame; 32. a clamp ring; 33. a pressure lever; 34. tabletting; 35. a spring; 36. a first elastic pad; 37. a limiting block; 4. a second clamping assembly; 41. a second support frame; 42. a screw rod; 43. a clamping block; 44. a hand wheel; 45. a second elastic pad; 46. a guide rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses clamping device for glass densimeter.

Referring to fig. 1, the clamping device for a glass densitometer includes a horizontally disposed base 1, a mounting bracket 2 connected to the base 1, a first clamping assembly 3 and a second clamping assembly 4 connected to the mounting bracket 2. The side wall of the mounting frame 2 is fixedly connected with a first support frame 31 and a second support frame 41 from top to bottom in sequence, and the first support frame 31 and the second support frame 41 are horizontally arranged. The first clamping assembly 3 is arranged on the first support frame 31, and the second clamping assembly 4 is arranged on the second support frame 41.

Referring to fig. 2, the first clamping assembly 3 includes a clamping ring 32 fixedly connected to the first support frame 31, and a clamping member connected to the clamping ring 32. The outer side wall of the clamping ring 32 is fixedly connected to the first support frame 31, and the axis of the clamping ring 32 is vertical. The clamping member comprises a pressing rod 33 which is slidably arranged on the side wall of the clamping ring 32 in a penetrating way, a pressing sheet 34 which is connected to one end of the pressing rod 33, and an elastic member which is connected between the pressing sheet 34 and the inner side wall of the clamping ring 32. The pressing rod 33 is arranged along the diameter of the clamping ring 32, the pressing sheet 34 is arranged at one end of the pressing rod 33 close to the axis of the clamping ring 32, and the elastic piece is a spring 35 coaxially sleeved on the pressing rod 33. One end of the spring 35 is abutted against one side of the pressing sheet 34 close to the pressing rod 33, and the other end is abutted against the inner side wall of the clamping ring 32.

Referring to figures 1 and 2, in use, the base 1 is placed in position. Pulling the plunger 33 away from the axis of the gripper ring 32, the pressing plate 34 compresses the spring 35, and the hand-held glass densitometer is placed within the gripper ring 32. Three sets of clamping pieces are provided, and three sets of clamping pieces are evenly distributed along the circumference of the clamping ring 32, and the three sets of clamping pieces improve the stability of the clamping of the glass densimeter. The pulling force on the pressing rod 33 is slightly removed, and the pressing rod 33 moves towards the glass densimeter under the action of the spring 35 until the three pressing sheets 34 compress the glass densimeter. And the second clamping component 4 is controlled to clamp the lower part of the glass densimeter, and the first clamping component 3 and the second clamping component 4 improve the stability of clamping the glass densimeter.

Referring to fig. 2, in order to fit the outer shape of the glass densimeter to achieve a better clamping effect, the pressing sheet 34 is set to be arc-shaped, and the center of the pressing sheet 34 and the center of the clamping ring 32 are located on the same straight line. A first elastic pad 36 is glued to one side of the pressing sheet 34 close to the glass densitometer, and the first elastic pad 36 is made of rubber. The glass densitometer is a thin-walled fragile glass instrument and the first resilient pad 36 reduces the wear of the sheeting 34 on the glass densitometer.

Referring to fig. 2, a stop block 37 is connected to an end of the pressing rod 33 away from the pressing plate 34, and the stop block 37 not only facilitates an operator to hold the pressing rod 33 by hand to pull the pressing rod 33, but also prevents the pressing rod 33 from falling from the clamping ring 32 when not in use. The limiting block 37 is in threaded connection with the pressing rod 33, so that the pressing rod 33 is convenient to mount and dismount.

Referring to fig. 3, the second clamping assembly 4 includes a screw 42 rotatably connected to the second support frame 41, and a clamping block 43 slidably connected to the second support frame 41. The screw rod 42 is horizontally arranged, and the length direction of the screw rod 42 is vertical to the length direction of the base 1. One end of the screw rod 42 is fixedly connected with a hand wheel 44, the screw rod 42 is a bidirectional threaded rod, one clamping block 43 is sleeved on each of the thread sections with opposite rotation directions at the two ends of the screw rod 42, and the clamping blocks 43 are in threaded connection with the screw rod 42. The two clamping blocks 43 are symmetrically arranged about the axis of the clamping ring 32, and the two clamping blocks 43 are symmetrically arranged about the center line of the screw rod 42 in the length direction.

Referring to fig. 3, the clamping blocks 43 are arranged as V-shaped blocks, and the V-shaped openings of the two clamping blocks 43 are opposite. After the glass densimeter is clamped in the first clamping assembly 3, the hand wheel 44 is rotated, the screw rod 42 is rotated, and the two clamping blocks 43 move towards the glass densimeter until the two clamping blocks 43 clamp the lower part of the glass densimeter. The second clamping assembly 4 further improves the stability of the glass densitometer clamping. A second resilient pad 45 is glued to each of the two opposing sides of the clamping blocks 43, the second resilient pads 45 reducing the wear of the clamping blocks 43 on the glass densitometer.

Referring to fig. 3, a horizontal guide rod 46 is fixedly connected to the second support frame 41, and the guide rod 46 is disposed along the length direction of the screw rod 42. One end of the clamping block 43 is connected to the screw rod 42 in a threaded manner, and the other end is sleeved on the guide rod 46 in a sliding manner. The screw rod 42 rotates, and the clamping block 43 slides on the guide rod 46, so that the sliding stability of the clamping block 43 is improved, and the clamping stability of the clamping block 43 is improved.

Referring to fig. 1 and 3, the mounting frame 2 includes a mounting sleeve 21 attached to the base 1, and a sliding frame 22 disposed above the mounting sleeve 21. The mounting sleeve 21 is vertically arranged, and the bottom of the sliding frame 22 is fixedly connected with a sliding rod 221 which is slidably inserted in the mounting sleeve 21. Two mounting sleeves 21 are arranged along the width direction of the base 1, and one sliding rod 221 is arranged on each of two sides of the sliding frame 22 and corresponds to the mounting sleeves 21 one by one. The side wall of the mounting sleeve 21 is in threaded connection with a screw 23, and when the screw 23 is screwed down, one end of the screw 23 abuts against the sliding rod 221. The screw 23 is unscrewed, the slide rod 221 is slid, the slide frame 22 is moved up and down to a desired height, and the screw 23 is tightened. The height adjustment is convenient, the operation is convenient.

Referring to fig. 1 and 3, a sliding groove 11 is formed in the base 1, the sliding groove 11 is formed along the length direction of the base 1, two sliding grooves 11 are formed along the width direction of the base 1, and the sliding grooves 11 are dovetail grooves. The bottom fixedly connected with of installation cover 21 inlays the slider 211 of locating in corresponding spout 11, and slider 211 is the forked tail piece,

slider

211 and 11 sliding fit of spout. The cooperation of the sliding block 211 and the sliding groove 11 facilitates the adjustment of the horizontal positions of the first clamping component 3 and the second clamping component 4 to adapt to the position of the object to be measured.

The implementation principle of the clamping device for the glass densimeter is as follows: in use, the base 1 is placed in position. The screw 23 is unscrewed, the slide rod 221 is slid, the slide frame 22 is moved up and down to a desired height, and the screw 23 is tightened. Pulling the stop 37 moves the plunger 33 away from the axis of the retaining ring 32, and the spring 35 is compressed by the pressing plate 34, and the hand-held glass densimeter is placed in the retaining ring 32. The pulling force on the pressing rod 33 is slightly removed, and the pressing rod 33 moves towards the glass densimeter under the action of the spring 35 until the three pressing sheets 34 compress the glass densimeter.

The hand wheel 44 is rotated, the screw rod 42 is rotated, and the two clamping blocks 43 move towards the glass densimeter until the two clamping blocks 43 clamp the lower part of the glass densimeter. The mounting frame 2 is pushed to slide on the base 1 to adapt to the position of the object to be measured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a clamping device for glass densimeter, includes base (1), its characterized in that: still including connecting mounting bracket (2) on base (1), connecting first centre gripping subassembly (3) and second centre gripping subassembly (4) on mounting bracket (2), first centre gripping subassembly (3) including connecting horizontally grip ring (32) on mounting bracket (2), connect a plurality of clamping pieces on grip ring (32), the clamping piece is including sliding depression bar (33) of wearing to establish on grip ring (32), connecting preforming (34) that depression bar (33) are located grip ring (32) one end, connecting the elastic component between preforming (34) and grip ring (32) inner wall, the centre of a circle setting of the directional grip ring (32) of depression bar (33).

2. The clamping device for a glass densitometer of claim 1, wherein: the clamping pieces are uniformly arranged along the circumferential direction of the clamping ring (32), the pressing sheet (34) is arc-shaped, and the circle center of the pressing sheet (34) is overlapped with that of the clamping ring (32).

3. The clamping device for a glass densitometer of claim 1, wherein: second centre gripping subassembly (4) are including rotating horizontal lead screw (42), the grip block (43) of sliding connection on mounting bracket (2) of connection on mounting bracket (2), lead screw (42) are two-way threaded rod, grip block (43) are all overlapped and are equipped with one on lead screw (42) revolves to two opposite screw thread sections, grip block (43) and lead screw (42) threaded connection, grip block (43) are V type piece, two the V type opening of grip block (43) is relative, two grip block (43) is about the axis symmetry of grip ring (32).

4. The clamping device for a glass densitometer of claim 3, wherein: the guide rod (46) is arranged on the mounting rack (2), the guide rod (46) is parallel to the screw rod (42), one end of the clamping block (43) is connected to the screw rod (42), and the other end of the clamping block is sleeved on the guide rod (46) in a sliding mode.

5. The clamping device for a glass densitometer of claim 1, wherein: the mounting rack (2) comprises a mounting sleeve (21) connected to the base (1), a sliding frame (22) slidably inserted into the mounting sleeve (21), and a screw rod (23) in threaded connection with the side wall of the mounting sleeve (21), wherein one end of the screw rod (23) is abutted to the sliding frame (22).

6. The clamping device for a glass densitometer of claim 3, wherein: open on base (1) has spout (11), the length direction of the length direction perpendicular to lead screw (42) of spout (11), the bottom of mounting bracket (2) is equipped with slider (211), slider (211) inlay in slider (211) and with slider (211) sliding fit.

7. The clamping device for a glass densitometer of claim 3, wherein: the inner side of the pressing sheet (34) is provided with a first elastic pad (36), and the opposite side surfaces of the two clamping blocks (43) are provided with second elastic pads (45).

8. The clamping device for a glass densitometer of claim 1, wherein: and a limiting block (37) is arranged at one end of the pressure lever (33) deviating from the pressing sheet (34).