CN218724992U

CN218724992U - Pressure gauge calibrating device

Info

Publication number: CN218724992U
Application number: CN202223012499.7U
Authority: CN
Inventors: 郑涌; 王耀; 杜金华; 李荣丽
Original assignee: Zhuhai Anye Measurement Service Co ltd
Current assignee: Zhuhai Anye Measurement Service Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-24
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to a manometer calibration technical field discloses manometer calibrating device, including test tube and the connecting pipe of setting at the test tube top, still include the manometer body of fixed connection at the connecting pipe top, test tube outside fixedly connected with box body, the sealed pad of top fixedly connected with of box body, the bottom fixedly connected with sealing washer of connecting pipe, sealed pad and sealing washer phase-match, one side of test tube is rotated and is connected with the knob, the positive and negative tooth screw rod of one end fixedly connected with of knob, and the one end of positive and negative tooth screw rod extends to the inside of box body. This application has realized not needing the calibration during operation through the setting of knob, positive and negative tooth screw rod, slider, second connecting rod and clamp, can dismantle this manometer calibrating device, and each spare part alternate segregation, the effect of being convenient for deposit has solved the most integrated structures of current manometer calibrating device, and difficult dismantlement also can receive the problem that production task influence can not examine and determine as scheduled simultaneously.

Description

Pressure gauge calibrating device

Technical Field

The utility model relates to a manometer calibration technical field specifically is manometer calibrating device.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very common in application, almost extends to all the fields of industrial processes and scientific researches, is visible everywhere in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance and repair shops and the like, and is particularly in the industrial process control and technical measurement process, but the existing pressure gauge calibration device still has some problems in the actual use process;

as disclosed in application No. 202221530825.0, a pressure gauge calibration apparatus includes: a standard pressure gauge; the first end of the first connecting piece is detachably connected with the standard pressure gauge; the first end of the second connecting piece is detachably connected with the second end of the first connecting piece; the quick connector is connected with the second end of the second connecting piece through threads; trachea subassembly, including the trachea of a plurality of mutual detachability connections, trachea subassembly's one end links to each other with quick connector, the other end is suitable for and links to each other with the gas outlet that waits to calibrate the manometer and correspond, do not need the calibration during operation to have, can dismantle this manometer calibrating device, each spare part alternate segregation, the characteristics of being convenient for deposit, the most integrated structure of current manometer calibrating device, difficult dismantlement also can receive the production task influence simultaneously and can not examine and determine as scheduled, current manometer calibrating device need close the fluid source when detecting, but the big many fluid source switch is far away from the calibration point location, reduce work efficiency easily.

The problems described above are addressed. For this purpose, pressure gauge calibration devices are proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manometer calibrating device adopts this device to work to solved the most integrated structure that is of current manometer calibrating device, difficult dismantlement also can receive the production task influence simultaneously and can not examine and determine as scheduled, current manometer calibrating device need close the fluid source when detecting, but the switch of many fluid sources is far away apart from the calibration position, reduces work efficiency's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: manometer calibrating device, including test tube and setting up the connecting pipe at test tube top, still include the manometer body of fixed connection at the connecting pipe top, test tube outside fixedly connected with box body, the sealed pad of top fixedly connected with of box body, the bottom fixedly connected with sealing washer of connecting pipe, sealed pad and sealing washer phase-match, one side of test tube is rotated and is connected with the knob, the positive and negative tooth screw rod of one end fixedly connected with of knob, and the one end of positive and negative tooth screw rod extends to the inside of box body.

Preferably, the two ends of the positive and negative screw rods are in threaded connection with sliding blocks, one side of each sliding block is fixedly connected with a first connecting rod, the inside of each test tube is also fixedly connected with a sliding rod, and the other ends of the two groups of first connecting rods are both in sliding connection with the sliding rods.

By adopting the design of the structure, the sliding blocks can be driven to be away from or close to each other by rotating the knob, so that the convenience in use is improved.

Preferably, the opposite side fixedly connected with second connecting rod of slider, the opposite side fixedly connected with clamp of second connecting rod, the clamp with seal up pad and sealing washer phase-match.

By adopting the structure, the clamp can be pressed with the sealing ring and the sealing gasket by rotating the knob, so that the pressure gauge body can be taken down conveniently.

Preferably, the inside of box body still is provided with the closure member, and the closure member includes sliding connection and presses the pressure piece at the box body top, presses the inside and fixedly connected with third connecting rod that the bottom of pressing the piece extends to the box body.

Adopt the design of above-mentioned structure, through the setting of pressing according to piece and third connecting rod for pressure can spread into the inside to the box body, has improved the convenience when using.

Preferably, the inside of box body is fixedly connected with fixed plate still, fixed plate and according to fixedly connected with reset spring between the briquetting, and reset spring is provided with the multiunit, and the other end of third connecting rod runs through fixed plate and fixedly connected with slip strip.

Adopt the design of above-mentioned structure, through reset spring's setting for press the piece and can pop out the box body when loosening, improve the convenience when using.

Preferably, the inside of box body is sliding connection still has the trapezoidal piece that slides, the other end and the trapezoidal piece sliding connection that slides of slide bar, and the one end fixedly connected with of the trapezoidal piece that slides removes the strip, and the other end fixedly connected with of removal strip seals the lid, seals the lid and fills up the phase-match.

Adopt the design of above-mentioned structure, through the setting of pressing block and sealed lid for need not to go the source switch and can close the fluid and detect, improved the result of use.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this application has realized not needing the calibration during operation through the setting of knob, positive and negative tooth screw rod, slider, second connecting rod and clamp, can dismantle this manometer calibrating device, and each spare part alternate segregation, the effect of being convenient for deposit has solved the most integrated structures of current manometer calibrating device, and difficult dismantlement also can receive the problem that production task influence can not examine and determine as scheduled simultaneously.

2. This application is through pressing the setting of briquetting, third connecting rod, sliding strip and sealed lid, has realized need not to go the source switch and can close the fluid and carry out the effect that detects, has improved work efficiency, has solved current manometer calibrating device and need close the fluid source when detecting, but the big many fluid source switch is far away apart from the calibration point position, reduces work efficiency's problem easily.

Drawings

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

FIG. 2 is a view showing the structure of the sealing gasket and the sealing ring of the present invention;

FIG. 3 is a structural view of the positive and negative teeth screw and the slide block of the present invention;

FIG. 4 is a structural view of the pressing block and the third connecting rod of the present invention;

fig. 5 is a structural view of the movable strip and the sealing cover of the present invention.

In the figure: 1. a test tube; 11. a box body; 12. a gasket; 13. a knob; 131. a positive and negative thread screw; 132. a slider; 133. a first connecting rod; 134. a slide bar; 135. a second connecting rod; 136. clamping a hoop; 14. a closure member; 141. a pressing block; 142. a third connecting rod; 1421. a slide bar; 143. a fixing plate; 144. a return spring; 145. sliding the trapezoidal block; 146. a moving bar; 147. a sealing cover; 2. a connecting pipe; 21. a seal ring; 3. the manometer body.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

Combine fig. 1-fig. 3, manometer calibrating device, including test tube 1 and the connecting pipe 2 of setting at test tube 1 top, still include the manometer body 3 of fixed connection at connecting pipe 2 top, 1 outside fixedly connected with box body 11 of test tube, the sealed pad 12 of top fixedly connected with of box body 11, the bottom fixedly connected with sealing washer 21 of connecting pipe 2, sealed pad 12 and sealing washer 21 phase-match, one side of test tube 1 is rotated and is connected with knob 13, the positive and negative tooth screw rod 131 of one end fixedly connected with of knob 13, and the one end of positive and negative tooth screw rod 131 extends to the inside of box body 11.

The present invention will be further described with reference to the following examples.

Example 1:

referring to fig. 3, two ends of the screw 131 with positive and negative teeth are connected with a sliding block 132 through threads, one side of the sliding block 132 is fixedly connected with a first connecting rod 133, the inside of the test tube 1 is further fixedly connected with a sliding rod 134, the other ends of the two groups of first connecting rods 133 are both connected with the sliding rod 134 in a sliding manner, the other side of the sliding block 132 is fixedly connected with a second connecting rod 135, the other side of the second connecting rod 135 is fixedly connected with a hoop 136, the hoop 136 is matched with the sealing gasket 12 and the sealing ring 21, most of the existing pressure gauge calibration devices are of an integrated structure, the existing pressure gauge calibration devices are not easy to disassemble and can not be affected by production tasks in time, when the pressure gauge body 3 needs to be disassembled, the knob 13 is rotated, the sliding blocks 132 on two sides of the screw 131 with positive and negative teeth are driven to rotate by the knob 13, the sliding blocks 132 on two sides of the screw 131 with positive and negative teeth are separated from each other, the hoop 136 is moved by the second connecting rod 135, the clamping effect on the sealing gasket 12 and the sealing ring 21 is released by the hoop 136, at this time, the pressure gauge body 3 can be removed from the box 11, and the pressure gauge calibration device can be disassembled without the calibration work.

Example 2:

referring to fig. 4 and 5, a closing member 14 is further disposed inside the box body 11, the closing member 14 includes a pressing block 141 slidably connected to the top of the box body 11, the bottom of the pressing block 141 extends into the box body 11 and is fixedly connected to a third connecting rod 142, a fixing plate 143 is further fixedly connected to the inside of the box body 11, a return spring 144 is fixedly connected between the fixing plate 143 and the pressing block 141, and the return spring 144 has a plurality of sets, the other end of the third connecting rod 142 penetrates through the fixing plate 143 and is fixedly connected to a sliding strip 1421, a sliding trapezoidal block 145 is further slidably connected to the inside of the box body 11, the other end of the sliding strip 1421 is slidably connected to the sliding trapezoidal block 145, a moving strip 146 is fixedly connected to one end of the sliding trapezoidal block 145, a sealing cover 147 is fixedly connected to the other end of the moving strip 146, the sealing cover 147 is matched with the sealing gasket 12, the conventional pressure gauge calibration device needs to close a fluid when detecting, but a large number of fluid source switches are far from a calibration point, which the sliding source switch is easily reduces the working efficiency, at this time, the pressing block 141 drives the third connecting rod 142 to lower the pressing strip 1 to lower the sliding sealing cover 1421, and the sliding sealing cover 145 to close the sliding sealing cover 145, so that the sliding seal 21 can be detected by the sliding seal, and the sliding seal when the sliding seal 21.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Manometer calibrating device, including test pipe (1) and set up connecting pipe (2) at test pipe (1) top, still include manometer body (3) of fixed connection at connecting pipe (2) top, its characterized in that: test tube (1) outside fixedly connected with box body (11), the sealed pad (12) of top fixedly connected with of box body (11), the bottom fixedly connected with sealing washer (21) of connecting pipe (2), sealed pad (12) and sealing washer (21) phase-match, one side of test tube (1) is rotated and is connected with knob (13), positive and negative tooth screw rod (131) of one end fixedly connected with of knob (13), and the one end of positive and negative tooth screw rod (131) extends to the inside of box body (11).

2. The pressure gauge calibration device of claim 1, wherein: two ends of the positive and negative screw (131) are in threaded connection with a sliding block (132), one side of the sliding block (132) is fixedly connected with a first connecting rod (133), a sliding rod (134) is fixedly connected inside the test tube (1), and the other ends of the two groups of first connecting rods (133) are both in sliding connection with the sliding rod (134).

3. The pressure gauge calibration device of claim 2, wherein: the opposite side fixedly connected with second connecting rod (135) of slider (132), the opposite side fixedly connected with clamp (136) of second connecting rod (135), clamp (136) and sealed pad (12) and sealing washer (21) phase-match.

4. The pressure gauge calibration device of claim 1, wherein: the inside of box body (11) still is provided with closure member (14), and closure member (14) are including sliding connection at the pressure piece (141) of box body (11) top, and the bottom of pressing piece (141) extends to the inside of box body (11) and fixedly connected with third connecting rod (142).

5. The pressure gauge calibration device of claim 4, wherein: the inside of box body (11) still fixedly connected with fixed plate (143), fixedly connected with reset spring (144) between fixed plate (143) and the pressure piece (141), and reset spring (144) are provided with the multiunit, and the other end of third connecting rod (142) runs through fixed plate (143) and fixedly connected with slide bar (1421).

6. The pressure gauge calibration device of claim 5, wherein: the inside of box body (11) still sliding connection has slip trapezoidal piece (145), the other end and the slip trapezoidal piece (145) sliding connection of slip strip (1421), and the one end fixedly connected with of slip trapezoidal piece (145) removes strip (146), removes the sealed lid (147) of the other end fixedly connected with of strip (146), and sealed lid (147) and sealed the pad (12) phase-match.