Pressure gauge convenient to assemble

Abstract

The utility model discloses a pressure gauge convenient to assemble, and relates to the technical field of pressure gauges. Comprising a meter body shell, one end of the meter body shell is fixedly connected with a buckle, the top end of the meter body shell is rotatably connected with a flip cover, the inner wall of the bottom end of the meter body shell is slidably clamped with a fixing device, and the top end of the fixing device is fixedly provided with a transmission assembly. The outer surface of the base plate is provided with four clamping grooves used in cooperation with the fixing devices, the top end of the base plate is fixedly provided with a spring tube and a movement, one end of the movement is fixedly connected with a pull rod, the top end of the movement is fixedly sleeved with a watch hand, one end of the movement is fixedly connected with a connector, the connector penetrates through the watch body shell, and the other end of the movement is fixedly connected with a handle. According to the utility model, through the arrangement of the fixing device and the buckle, the effects of quickly installing and fixing the transmission assembly and opening the flip cover more quickly are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field, concretely is a pressure gauge convenient to assemble. BACKGROUND

[0002] Pressure gauge, also known as pressure gauge, is a kind of measuring tool with elastic element as sensitive element, can indicate the value higher than ambient pressure, and this kind of instrument almost exists in all industrial processes and scientific research fields, especially in heat pipe network, oil and gas transmission, water supply and gas supply system, vehicle maintenance and other fields, pressure measuring instrument is divided into liquid column type, elastic type, load type and electric measuring type according to working principle, and different kinds of pressure gauges are suitable for different working scenes.

[0003] But some pressure gauges are difficult to assemble and disassemble in the process of use, the movement cannot be effectively fixed in the process of assembly, so that the operating personnel needs to carry out tedious bolt fixation in the process of installation and maintenance, which is time-consuming and laborious. UTILITY MODEL CONTENT

[0004] In order to solve the problem of inconvenient installation and disassembly, the utility model aims at providing a pressure gauge convenient to assemble.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a pressure gauge convenient to assemble, including the shell of watch body, the one end of the shell of watch body is fixedly connected with buckle, the top end of the shell of watch body is rotatably connected with the cover, the bottom end inner wall of the shell of watch body is slidably connected with fixing device, the top end of the fixing device is fixedly installed with transmission assembly, the transmission assembly includes the bottom disc, the outer surface of the bottom disc is provided with four clamping grooves matched with the fixing device, the top end of the bottom disc is fixedly installed with spring tube and movement, the one end of the movement is fixedly connected with pull rod, the top end of the movement is fixedly sleeved with the pointer, the one end of the movement is fixedly connected with the connector, the connector penetrates the shell of watch body.

[0006] Preferably, the fixing device includes the base, the top end of the base is fixedly connected with four positioning blocks, the outer surface of the base is provided with four rotating grooves, four rotating grooves are rotatably connected with rotating rods, and the outer surfaces of four rotating rods are threadedly sleeved with nuts.

[0007] Compared with the prior art, the utility model has the beneficial effects that:

[0008] 1, the utility model discloses a fixing device, under the rotation of four rotating rods, the bottom disc is clamped and fixed in four directions, the transmission assembly is quickly fixed, the transmission assembly is quickly installed and disassembled by operating personnel, and the installation efficiency is improved. DRAWINGS

[0009] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0010] Figure 1 The present application is a schematic diagram of the structure.

[0011] Figure 2 The present application is a schematic diagram of the structure of the transmission assembly.

[0012] Figure 3 The present application is a schematic diagram of the structure of the fixing device.

[0013] Figure 4 The present application is a schematic diagram of the structure of the buckle.

[0014] In the figure: 1, watch body shell; 2, buckle; 3, flip cover; 4, transmission assembly; 5, fixing device; 31, buckle plate; 41, base plate; 42, clamping groove; 43, spring tube; 44, movement; 45, watch hands; 46, pull rod; 47, joint; 51, base; 52, positioning block; 53, rotating groove; 54, rotating rod; 55, nut; 21, fixed plate; 22, L-shaped buckle plate; 23, connecting plate; 24, threaded rod; 25, connecting ring. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0016] Embodiment: as Figures 1-4The utility model provides a pressure gauge convenient to assemble, including the table body shell 1, the one end fixed connection of table body shell 1 has buckle 2, the top of table body shell 1 rotatable connection has the cover 3, the bottom end inner wall sliding of table body shell 1 is connected with fixed device 5, the top fixed mounting of fixed device 5 has transmission assembly 4, and transmission assembly 4 includes the bottom disc 41, and the outer surface of bottom disc 41 is equipped with four clamping grooves 42 with fixed device 5 cooperation uses, and the top fixed mounting of bottom disc 41 has spring tube 43 and movement 44, and one end fixed connection of movement 44 has pull rod 46, and the top fixed sleeve of movement 44 has the pointer 45, and one end fixed connection of movement 44 has joint 47, and joint 47 penetrates table body shell 1, and the operator is fixed in the top middle part of fixed device 5 by the cooperation of bottom disc 41 in transmission assembly 4 and fixed device 5, and transmission assembly 4 is clamped and fixed by fixed device 5, and spring tube 43 in transmission assembly 4 changes pressure into elastic displacement, and then the pressure is transmitted to movement 44 by pull rod 46, and the pressure is shown by the pointer 45, and finally the joint 47 of one end is connected with gas pipeline.

[0017] Fixed device 5 includes base 51, four positioning blocks 52 are fixedly connected to the top end of base 51, four rotating grooves 53 are formed on the outer surface of base 51, rotating rods 54 are rotatably connected between the four rotating grooves 53, and nuts 55 are threadedly connected to the outer surfaces of the four rotating rods 54. The transmission assembly 4 can be placed between the four positioning blocks 52, and then the bottom disc 41 is clamped by rotating the four rotating rods 54 through the four clamping grooves 42. Finally, the bottom disc 41 is pressed and fixed from top to bottom by rotating the nuts 55, thereby achieving quick clamping and fixing of the transmission assembly 4. This facilitates quick installation and disassembly of the transmission assembly 4 by the operator, avoids the tedious work of fixing by multiple bolts, and improves the installation efficiency.

[0018] The buckle 2 includes a fixed plate 21, one end of the fixed plate 21 is fixedly connected to one end of the table body shell 1, an L-shaped buckle plate 22 is rotatably connected to one end of the fixed plate 21, a connecting plate 23 is fixedly connected to one end of the L-shaped buckle plate 22, a threaded rod 24 is fixedly connected to one end of the connecting plate 23, a connecting ring 25 is threadedly connected to the outer surface of the threaded rod 24, and the operator can hang the connecting ring 25 on the buckle plate 31 at one end of the cover 3. Then, by rotating the L-shaped buckle plate 22, the connecting ring 25 is pulled tightly by the threaded rod 24. When the rotating L-shaped buckle plate 22 rotates to a certain degree, it passes through a locking point, so that the connecting ring 25 exerts a tensioning and fixing force on the cover 3. The operator can adjust the tensioning force on the cover 3 by adjusting the distance between the connecting ring 25 and the cover 3 through the threaded rod 24. The connecting and fixing of the buckle 2 simplify the opening and closing operation of the cover 3 and improve the convenience of assembling the pressure gauge.

[0019] The top end of the table body shell 1 is fixedly connected with a sealing ring, the four clamping grooves 42 and the four rotating grooves 53 are arranged in a ring array, and the positions of the four clamping grooves 42 and the four rotating grooves 53 correspond, one end of the 3 is fixedly installed with a buckle plate 31 matched with the connecting ring 25, and the buckle plate 31 is in the shape of "L", the sealing ring at the top end of the table body shell 1 is to enhance the sealing performance of the flip cover 3 when it is closed, to prevent dust and gas from entering and affecting the pressure determination, the four corresponding rotating grooves 53 provide accurate flip clamping for the four nuts 55, helping the four rotating rods 54 to be clamped and fixed through the four clamping grooves 42, and the "L"-shaped buckle plate 31 facilitates the connection of the connecting ring 25, preventing the connecting ring 25 from being separated from the buckle plate 31 during connection.

[0020] The four rotating rods 54 are arranged in a ring array, and the outer surfaces of one end of the four rotating rods 54 are respectively slidably attached to the outer surfaces of the four clamping grooves 42, the four positioning blocks 52 are arranged in a ring array, and the outer surfaces of the four positioning blocks 52 are slidably attached to the outer surfaces of the chassis 41, the center points of the four positioning blocks 52 and the four rotating rods 54 arranged in a ring array are on the same vertical horizontal line as the center point of the transmission assembly 4, facilitating the operator to preliminarily position the transmission assembly 4 through the four positioning blocks 52, and then fixing and clamping the chassis 41 in four directions through the flipping of the four rotating rods 54, simplifying the installation of the transmission assembly 4 and reducing the difficulty of installation.

[0021] Working principle: when installation is needed, first place the fixing device 5 between the inner walls of the table body shell 1, then place the transmission assembly 4 on the fixing device 5, position the chassis 41 in the transmission assembly 4 in the middle of the top end of the base 51 through the four positioning blocks 52 in the fixing device 5, the outer surfaces of the four positioning blocks 52 are fixedly attached to the outer surfaces of the chassis 41, then rotate the four rotating rods 54 by ninety degrees to clamp and fix the chassis 41 through the four clamping grooves 42, rotate the nuts 55 threaded on the outer surfaces of the rotating rods 54, so that the four nuts 55 continuously move through the threads to press and fix the chassis 41 from top to bottom, thereby realizing the quick fixing of the transmission assembly 4, the spring tube 43 in the transmission assembly 4 is elastically deformed under the pressure of the medium in the cavity, converting the pressure into elastic displacement of the free end of the spring tube 43, then the movement is amplified through the movement of the movement 44 connected by the pull rod 46. The hands 45 are driven to display the pressure value;

[0022] When the quick connection and closing of the cover 3 is needed, the connecting ring 25 in the buckle 2 is hung on the outer surface of the buckle plate 31 at one end of the cover 3, and then the L-shaped buckle plate 22 is rotated to drive the connecting ring 25 to be tightened through the threaded rod 24, when the L-shaped buckle plate 22 is rotated to a certain extent, the L-shaped buckle plate 22 drives the connecting ring 25 to pass through the locking point, so as to drive the cover 3 to be tightened and fixed by the connecting ring 25, and the operator can rotate the connecting ring 25 to move the connecting ring 25 through the threaded effect of the outer surface of the threaded rod 24, so as to adjust the tightening force of the connecting ring 25.

[0023] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A pressure gauge that is easy to assemble, comprising a gauge body housing (1), characterized in that: One end of the watch body shell (1) is fixedly connected to a buckle (2), the top end of the watch body shell (1) is rotatably connected to a flip cover (3), the bottom inner wall of the watch body shell (1) is slidably snapped with a fixing device (5), and the top end of the fixing device (5) is fixedly installed with a transmission component (4). The transmission assembly (4) includes a chassis (41). The outer surface of the chassis (41) has four engaging grooves (42) that cooperate with the fixing device (5). A spring tube (43) and a movement (44) are fixedly installed at the top of the chassis (41). A pull rod (46) is fixedly connected to one end of the movement (44). A watch hand (45) is fixedly sleeved at the top of the movement (44). A connector (47) is fixedly connected to one end of the movement (44). The connector (47) penetrates the watch case (1).

2. The pressure gauge that is easy to assemble as described in claim 1, characterized in that, The fixing device (5) includes a base (51), and four positioning blocks (52) are fixedly connected to the top of the base (51). Four rotating grooves (53) are opened on the outer surface of the base (51). Rotating rods (54) are rotatably connected between the four rotating grooves (53). Nuts (55) are threaded onto the outer surface of the four rotating rods (54).

3. The pressure gauge that is easy to assemble as described in claim 1, characterized in that, The buckle (2) includes a fixing plate (21), one end of which is fixedly connected to one end of the watch body shell (1), and one end of the fixing plate (21) is rotatably connected to an L-shaped buckle plate (22). One end of the L-shaped buckle plate (22) is fixedly connected to a connecting plate (23), and one end of the connecting plate (23) is fixedly connected to a threaded rod (24). The outer surface of the threaded rod (24) is threaded with a connecting ring (25).

4. The pressure gauge that is easy to assemble as described in claim 1, characterized in that, A sealing ring is fixedly connected to the top of the outer casing (1) of the watch body.

5. A pressure gauge that is easy to assemble as described in claim 1, characterized in that, The four engagement slots (42) and the four rotation slots (53) are arranged in a ring array, and the positions of the four engagement slots (42) and the four rotation slots (53) correspond to each other.

6. A pressure gauge that is easy to assemble as described in claim 1, characterized in that, One end of the flip cover (3) is fixedly installed with a buckle plate (31) that works with the connecting ring (25), and the buckle plate (31) is "L" shaped.

7. A pressure gauge that is easy to assemble as described in claim 2, characterized in that, The four rotating rods (54) are arranged in a ring array, and the outer surface of one end of each of the four rotating rods (54) slides and fits against the outer surface of the four engaging grooves (42).

8. A pressure gauge that is easy to assemble as described in claim 2, characterized in that, The four positioning blocks (52) are arranged in a ring array, and the outer surfaces of the four positioning blocks (52) slide against the outer surface of the chassis (41).

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