Structure for fixing differential pressure gauge

Abstract

The utility model discloses a structure for fixing a differential pressure gauge, which comprises a filter, a support frame is detachably connected outside the filter, a differential pressure indicator is mounted outside the support frame, a groove is arranged on one side of the support frame, a sleeve is rotatably connected inside the groove, a first connecting plate is fixedly connected outside the sleeve, and a second connecting plate is fixedly connected outside the first connecting plate. And a rotating shaft is rotationally connected into the groove. Belongs to the technical field of differential pressure gauges. According to the structure for fixing the differential pressure gauge, after the clamping block is inserted into and penetrates through the clamping groove, the knob is screwed in the forward direction, the knob drives the stud to rotate, the stud drives the sleeve and the first connecting plate to rotate through the sliding block, the first connecting plate drives the rotating shaft to rotate through the connecting rod and the second connecting plate, the rotating shaft finally drives the clamping block to rotate, and the clamping block and the clamping groove are staggered. And finally, under the action of the stud, the knob can abut against the supporting frame, so that installation of the differential pressure indicator is completed, fixation can be relieved by reversely screwing the knob, operation is convenient and rapid, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to differential pressure gauge technical field more specifically, relate to a kind of structure of fixed differential pressure gauge. BACKGROUND

[0002] Filter is indispensable on the medium pipeline of conveying device, usually installed in pressure reducing valve, pressure relief valve, fixed water level valve or other equipment import end equipment.Filter is composed of cylinder, stainless steel filter screen, blowdown part, transmission device and electrical control part, differential pressure gauge is a physical instrument, product can be used to measure the pressure difference between two points.

[0003] In order to facilitate the detection of differential pressure before and after filter, differential pressure indicator is often installed outside filter, and general differential pressure indicator is fixed on the outside of filter by support frame, and support frame and filter are connected and fixed by bolt and nut, and through hole is pre-punched on filter support leg, so that the subsequent differential pressure indicator dismounting and replacement work becomes inconvenient, therefore, we provide a kind of structure of fixed differential pressure gauge. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of structure of fixed differential pressure gauge to solve the problems in the background art:

[0005] In order to facilitate the detection of differential pressure before and after filter, differential pressure indicator is often installed outside filter, and general differential pressure indicator is fixed on the outside of filter by support frame, and support frame and filter are connected and fixed by bolt and nut, and through hole is pre-punched on filter support leg, so that the subsequent differential pressure indicator dismounting and replacement work becomes inconvenient.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a structure of fixed pressure differential meter, including filter, the outside of filter is detachably connected with support frame, the outside of support frame is equipped with pressure differential indicator, and pressure differential indicator is instrument article, measures the pressure difference of filter gas before and after, and pressure differential indicator is installed on one side of filter through support frame, and it is convenient for worker to check, one side of support frame is equipped with recess, the inside of recess is rotatably connected with sleeve, the outside of sleeve is fixedly connected with first connecting plate, the inside of recess is rotatably connected with pivot, the outside of pivot is fixedly connected with second connecting plate, rotatably connected with connecting rod between second connecting plate and first connecting plate, the other end of pivot is fixedly connected with clamping block, the inside of sleeve is slidably connected with sliding block, the outside of sliding block is fixedly connected with stud, the stud is screwed with support frame, the other end of stud is fixedly connected with knob, and user can screw the stud through the knob, finally controls the position of two clamping blocks, and the through -hole that is pre -drilled on the filter support leg acts as the clamping groove and cooperates with the clamping block.

[0008] Preferably, the cross section of the sliding block is square structure, the sliding block can slide in the sleeve, and the cross section of the sliding block is square structure, so when the sliding block rotates, the sleeve can also rotate.

[0009] Preferably, the outer side wall of the sliding block is attached to the inner side wall of the sleeve, because the cross section of the sliding block is square structure, and the sliding block is closely attached to the sleeve, so when the user screws the stud, the sliding block will drive the sleeve to rotate.

[0010] Preferably, the clamping block is eccentrically arranged with the pivot, when the user rotates the knob, the pivot will drive the clamping block to rotate, because the clamping block is eccentrically arranged with the pivot, so the clamping block will be staggered with the clamping groove, thereby realizing the installation and fixation of the support frame.

[0011] Preferably, the outer side of the clamping block away from the pivot is provided with a chamfer, the setting of the chamfer is more convenient for the clamping block to be inserted into the clamping groove.

[0012] Preferably, the pivot has two, the two pivots are symmetrically distributed, when the sleeve rotates, the sleeve will drive the pivots to rotate by the first connecting plate, the second connecting plate and the connecting rod.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] After the clamping block is inserted and passes through the clamping groove, the knob is forwardly screwed, the stud is driven to rotate by the knob, the sleeve and the first connecting plate are driven to rotate by the stud, the first connecting plate drives the pivot to rotate through the connecting rod and the second connecting plate, the pivot is finally driven to rotate by the clamping block, the clamping block will be staggered with the clamping groove, finally, the knob will be tightly abutted with the support frame under the action of the stud, thereby completing the installation of the pressure differential indicator, and the fixation can be released by reversely screwing the knob, so the utility model has the advantages of convenient and fast operation and strong practicality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the overall structure of the present application;

[0016] Figure 2 is a schematic view of the support frame of the present application; Figure 1 is an enlarged view of A in the present application;

[0017] Figure 3 is a schematic view of the support frame of the present application;

[0018] Figure 4 is a schematic view of the shaft of the present application;

[0019] Figure 5 is a schematic view of the sliding block of the present application;

[0020] Figure 6 is a schematic view of the sleeve of the present application.

[0021] Reference signs in the drawings: 1, filter; 2, support frame; 3, groove; 4, sleeve; 5, first connecting plate; 6, shaft; 7, second connecting plate; 8, connecting rod; 9, clamping block; 10, sliding block; 11, stud; 12, knob; 13, differential pressure indicator; 14, chamfer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1 to 6The utility model relates to a structure of fixed differential pressure gauge, including filter 1, the outside of filter 1 is detachably connected with support frame 2, the outside of support frame 2 is installed with differential pressure indicator 13, differential pressure indicator 13 is instrument article, measures the pressure difference before and after filter 1 gas, differential pressure indicator 13 is installed on one side of filter 1 through support frame 2, and it is convenient for worker to view, one side of support frame 2 is provided with recess 3, the inside rotation is connected with sleeve 4 of recess 3, the outside fixed connection of sleeve 4 is connected with first connecting plate 5, the inside rotation is connected with pivot 6 of recess 3, the outside fixed connection of pivot 6 is connected with second connecting plate 7, and the rotation is connected with connecting rod 8 between second connecting plate 7 and first connecting plate 5, and the other end fixed connection of pivot 6 is connected with clamping block 9, the inside sliding connection of sleeve 4 is connected with sliding block 10, the outside fixed connection of sliding block 10 is connected with stud 11, and stud 11 is screwed with support frame 2, and the other end fixed connection of stud 11 is connected with knob 12, and user can screw stud 11 through knob 12, and finally control the position of two clamping blocks 9.

[0024] Further, the cross section of the sliding block 10 is a square structure, the sliding block 10 can slide in the sleeve 4, and the cross section of the sliding block 10 is a square structure, so when the sliding block 10 rotates, the sliding block 10 can also drive the sleeve 4 to rotate.

[0025] Further, the outer side wall of the sliding block 10 is in close contact with the inner side wall of the sleeve 4, since the cross section of the sliding block 10 is a square structure, and the sliding block 10 is in close contact with the sleeve 4, so when the user rotates the stud 11 through the knob 12, the stud 11 will drive the sleeve 4 to rotate by the sliding block 10.

[0026] Further, the clamping block 9 is eccentrically arranged with the pivot 6, after the clamping block 9 passes through the clamping groove, the user needs to rotate the knob 12, and finally the pivot 6 will drive the clamping block 9 to rotate, since the clamping block 9 is eccentrically arranged with the pivot 6, so the clamping block 9 will be staggered with the clamping groove, so as to realize the installation and fixation of the support frame 2.

[0027] Further, the clamping block 9 is provided with a chamfer 14 on the side away from the pivot 6, the chamfer 14 makes the end face of the clamping block 9 smaller, which is more convenient for the clamping block 9 to be inserted into the clamping groove.

[0028] Further, the pivot 6 has two, the two pivots 6 are symmetrically distributed, the two pivots 6 in the recess 3 are symmetrically distributed on the two sides of the first connecting plate 5, when the sleeve 4 rotates, the sleeve 4 will drive the pivot 6 to rotate by the first connecting plate 5, the second connecting plate 7 and the connecting rod 8.

[0029] The utility model uses steps: the structure of this fixed pressure difference meter is when using, the clamping block 9 on the support frame 2 is inserted and passes through the clamping slot on the filter 1 support leg, and the knob 12 is screwed positively, the knob 12 drives the stud 11 rotation, the stud 11 drives the sleeve 4 and the first connecting plate 5 rotation using the sliding block 10, the first connecting plate 5 drives the rotating shaft 6 rotation through the connecting rod 8 and the second connecting plate 7, and the rotating shaft 6 finally drives the clamping block 9 rotation, because the clamping block 9 is eccentric with the rotating shaft 6, along with the rotating shaft 6 rotation, the clamping block 9 will be staggered with the clamping slot, and finally under the action of the stud 11, the knob 12 will be tightly abutted with the support frame 2, thereby the installation of the pressure difference indicator 13 is completed, and the knob 12 is screwed reversely, and the fixing can be released, it is convenient and quick to operate, and the practicality is strong.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and description in the specification are only preferred examples of the utility model and do not limit the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A structure for fixing a differential pressure gauge, comprising a filter (1), a support frame (2) detachably connected to the outside of the filter (1), a differential pressure indicator (13) mounted on the outside of the support frame (2), characterized in that: A groove (3) is provided on one side of the support frame (2), the interior of the groove (3) is rotatably connected to a sleeve (4), the exterior of the sleeve (4) is fixedly connected to a first connecting plate (5), the interior of the groove (3) is rotatably connected to a rotating shaft (6), the exterior of the rotating shaft (6) is fixedly connected to a second connecting plate (7), a connecting rod (8) is rotatably connected between the second connecting plate (7) and the first connecting plate (5), the other end of the rotating shaft (6) is fixedly connected to a clamping block (9), the interior of the sleeve (4) is slidably connected to a slider (10), the exterior of the slider (10) is fixedly connected to a stud (11), the stud (11) is threadedly connected to the support frame (2), and the other end of the stud (11) is fixedly connected to a knob (12).

2. The structure of a fixed differential pressure gauge according to claim 1, characterized in that: The cross section of the slider (10) is a square structure.

3. The structure of a fixed differential pressure gauge according to claim 1, characterized in that: The outer side wall of the slider (10) is in contact with the inner side wall of the sleeve (4).

4. The structure of a fixed differential pressure gauge according to claim 1, characterized in that: The clamping block (9) and the rotating shaft (6) are eccentrically arranged.

5. The structure of a fixed differential pressure gauge according to claim 1, characterized in that: A chamfer (14) is provided on the outer side of the clamping block (9) away from the rotating shaft (6).

6. The structure of a fixed differential pressure gauge according to claim 1, characterized in that: There are two rotating shafts (6) in total, and the two rotating shafts (6) are symmetrically distributed.

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