TWM596337U - Flow meter - Google Patents

Abstract

This creation is a flow measuring device, which includes a flow tube and a connecting piece. The flow tube includes a pipe body and a fixing hole penetrating the pipe body, and the fixing hole communicates with the pipe body. The connecting piece includes two clamped pipe bodies. Clamping block and anti-leak ring, one of the clamping block includes a block body, an annular groove recessed in the block body, and a fixing portion protruding on one side of the block body, the fixing portion is penetrated in the fixing hole, concave The groove surrounds the fixed part, the leak-proof ring is embedded in the concave groove, and the leak-proof ring is pressed against the tube body; the connection piece of this creation is provided with a leak-proof ring, and one of the clip blocks provided in the connection piece is provided with a round clip The concave groove of the fixed part of the block makes the leak-proof ring embedded in the concave groove and presses the leak-proof ring tightly against the body of the circulation tube to avoid the problem of fluid leakage, thereby increasing the measurement of the original creation. Accuracy.

Description

Flow measuring device

This creation relates to a device for measuring flow, especially a flow measurement device to prevent fluid leakage.

The flow measurement device is a device that calculates the flow rate by measuring the fluid velocity such as liquid or gas. It has been improved for a long time and has various forms. For example, a current flow measurement device includes a flow tube, The connecting piece and the sensing rod, the flow pipe is provided with a fixing hole communicating with the flow pipe, the connecting piece is sleeved on the wall of the flow pipe, the sensing rod is combined with the connecting piece, and one end of the sensing rod passes through the connecting piece and is fixed Hole, the end of the sensing rod passing through the fixed hole is provided with a rotating impeller, and the impeller is located in the circulation tube; therefore when the fluid flows through the circulation tube, the fluid will drive the impeller of the sensing rod to rotate, so that the sensing rod can borrow This knows the fluid velocity and calculates the flow rate.

However, although the connecting member of the existing flow measurement device is tightly sleeved on the pipe body of the flow pipe, there is inevitably a gap between the connecting member and the pipe body of the flow pipe. Therefore, when the fluid flows through the flow pipe, the fluid It is still easy to leak out from the fixing hole along the gap between the connecting piece and the pipe body of the flow pipe, resulting in an increase in the measurement error value of the existing flow measurement device, and if the fluid flowing through the flow pipe is gas or fuel, It will also greatly increase the risk of use, which shows that there is room for improvement and progress in the use of existing flow measurement devices.

In order to solve the problem that the existing fluid measuring device is prone to fluid leakage when measuring. This creation provides a flow measurement device, which includes a flow tube and a connecting piece, one of the clamping blocks provided in the connecting piece is provided with a fixing portion penetrating through the fixing hole of the flow pipe and a groove surrounding the fixing portion, and connected The device is provided with a leak-proof ring embedded in the concave groove, so that the leak-proof ring is pressed against the tube body of the flow tube, so when the fluid flows through the tube body of the flow tube, the fluid is not easy to pass through the fixing hole along the connecting member and the flow tube The gap of the tube body leaks out, thereby reducing the measurement error of the original creation, and at the same time can increase the safety in use.

The flow measurement device proposed by this author to solve technical problems includes: A circulation pipe, which includes a pipe body and a fixing hole, the fixing hole penetrates the pipe body, and the fixing hole communicates with the inside of the pipe body; A connecting piece, which includes two clamping blocks and a leak-proof ring, two clamping blocks clamp the pipe body, one of the clamping blocks includes a body, a groove, and respectively protruding from the block A fixing part and a joint part on both sides of the body, the fixing part is penetrated through the fixing hole, the concave groove is annularly arranged on the block body of the clamping block, and the concave groove surrounds the fixing part, and the leakage prevention A ring is embedded in the groove, and the leak-proof ring is pressed against the tube body; and A sensing rod is combined with a joint portion of the clamping block, and one end of the sensing rod passes through the clamping block. An end of the sensing rod passing through the clamping block is provided with an impeller. The impeller Located inside the tube.

In the flow measurement device, the flow measurement device includes two connecting pieces, and the two connecting pieces are respectively disposed at both ends of the pipe body, and each connecting piece includes a connecting sleeve, a connecting head and a screw cap. The connecting sleeve is sleeved on the pipe body, and the outer circumferential surface of the connecting sleeve is provided with an external thread, the connecting head is sleeved by the screw cap, and the inside of the connecting head communicates with the inside of the tube body, the screw The cover is cylindrical and includes an internal thread. The internal thread is located on the inner peripheral surface of the screw cap and is screwed and fixed to the external thread of the connection sleeve, so that the screw cap can fix the connection head to the connection sleeve.

In the flow measurement device, one end of the connecting sleeve of each connecting member is concavely provided with a positioning groove in an annular shape, each connecting member includes a leakage stop ring, and the leakage stop ring of the connecting member is embedded in the connecting member In the positioning groove of the connecting sleeve, the connecting head of each connecting piece includes an engaging portion, which is annular and located at one end of the connecting head, and the engaging portion abuts against the leakage stop ring of the connecting piece.

In the flow measurement device, the screw caps of the connecting parts include an abutting part and a perforation, the abutting part is located at one end of the screw cap, the perforation penetrates the abutting part of the screw cap, and each connection The connecting head of the component includes a connecting portion which is cylindrical, and the connecting portion passes through the perforation of the screw cap of the connecting component.

The improvement of the efficiency obtained by the technical means of the present invention is that the flow measuring device of the present invention is provided with a leak-proof ring for the connecting piece, and one of the clamping blocks provided in the connecting piece is provided with a recess surrounding the fixing portion of the clamping block Groove, the fixing part of the clamping block is inserted into the fixing hole of the flow tube, and the leak-proof ring provided by the connecting member is embedded in the concave groove, so that the leak-proof ring can be pressed against the tube body of the flow tube, thereby avoiding fluid The leakage problem increases the accuracy and safety of the measurement in this book.

In order to understand the technical characteristics and practical effects of this creation in detail, and can be implemented according to the content of the creation, the preferred embodiment as shown in the figure is further described in detail below:

As shown in FIGS. 1 to 3, the preferred embodiment of the present invention includes a flow tube 10, two connecting members 20, a connecting member 30, a sensing rod 40 and a display 50, two connecting members 20, and The connecting member 30 is provided on the circulation tube 10, the sensing rod 40 is provided on the connecting member 30, and the display 50 is connected to the sensing rod 40.

As shown in FIGS. 2 and 3, the circulation tube 10 includes a tube body 11 and a fixing hole 12. The tube body 11 has a circular tube shape, the fixing hole 12 penetrates the tube body 11, and the fixing hole 12 and the tube The interior of the body 11 communicates; the two connecting members 20 are respectively coupled to the two ends of the tube body 10. Since both of the connecting members 20 are of the same design, only one of the connecting members 20 will be described below. It includes a connecting sleeve 21, a connecting head 22, a screw cap 23 and a leakage stop ring 24. The connecting sleeve 21 is cylindrical and sleeved on the pipe body 11. The outer circumferential surface of the connecting sleeve 21 is provided with an external thread 211, and one end of the connecting sleeve 21 is recessed with a positioning groove 212 in a ring shape, the leakage stop ring 24 is embedded in the positioning groove 212, the connector 22 includes a connecting portion 221 and a joint portion 222, the The connecting portion 221 has a cylindrical shape, and the inside of the connecting portion 221 communicates with the inside of the tube body 11, the joint portion 222 is ring-shaped and is provided at one end of the connecting portion 221, and the joint portion 222 abuts In the leakage stop ring 24, the screw cap 23 is sleeved on the connecting head 22 and combined with the connecting sleeve 21, the screw cap 23 is cylindrical and includes an internal thread 231, an abutting portion 232 and a perforation 233, the internal thread 231 is located on the inner circumferential surface of the screw cap 23 and is screwed and fixed to the external thread 211 of the connecting sleeve 21, so that the screw cap 23 can fix the connector 22 to In the connecting sleeve 21, the abutting portion 232 is located at one end of the screw cap 23, and the abutting portion 232 is pressed against the engaging portion 222, the through hole 233 penetrates the abutting portion 232, and the through hole 233 is used by the connecting portion 221 through.

As shown in FIGS. 2 to 4, the connecting member 30 includes two clamping blocks 31 and a leak-proof ring 32. The two clamping blocks 31 are combined with bolts to clamp the pipe body 11. Each clamping block 31 includes a block 311 that is curved and includes two sides facing in opposite directions. One of the clamping blocks 31 further includes a fixing portion 312, a coupling portion 313, and a groove 314, the fixing portion 312 and the connecting portion 313 are respectively protruded on both sides of the block body 311 of the clamping block 31, the fixing portion 312 is penetrated through the fixing hole 12, the concave groove 314 is annularly recessed in the block The body 311 protrudes a side surface of the fixing portion 312, and the concave groove 314 surrounds the fixing portion 312, the leakage preventing ring 32 is embedded in the concave groove 314, and the leakage preventing ring 32 is pressed against the tube body 11 .

As shown in FIGS. 1 and 3, the sensing rod 40 is combined with the coupling portion 313 of the clamping block 31 provided with one of the fixing portions 312, and one end of the sensing rod 40 passes through the clamping block 31, the block 311, the fixing portion 312, and the coupling portion 313, an end of the sensing rod 40 passing through the clamping block 31 is provided with an impeller 41, the impeller 41 is located inside the tube body 11, due to the sensing rod 40 It is the prior art and is not the focus of the original creation, so it will not be described in detail; the display 50 is electrically connected to the sensor rod 40 so that the display 50 can display the data measured by the sensor rod 40.

As shown in FIGS. 1, 3 and 5, the connecting member 30 of the present invention is provided with the leak-proof ring 32, and one of the fixing parts 312 of the clamping block 31 of the connecting member 30 passes through the circulation tube 10 The fixing hole 12, the clamping block 31 is provided with the groove 314 surrounding the fixing portion 312, the leakage prevention ring 32 is embedded in the groove 314, and the leakage prevention ring 32 is pressed tightly against the circulation tube The tube body 11 of 10, so when the author is in use, the fluid is not easy to flow out from the fixing hole 12 along the gap between the connecting member 30 and the tube body 11 to avoid the leakage of fluid such as gas or fuel, In this way, the accuracy of the creation in measurement is increased, and the safety in use can be improved.

As shown in FIG. 2, FIG. 3 and FIG. 5, the present invention is provided with two connecting pieces 20. The two connecting pieces 20 are respectively provided at both ends of the pipe body 11, and the connecting sleeve 21 of each connecting piece 20 is sleeved on the The pipe body 11, and the connecting sleeve 21 is provided with the external thread 211, the screw cap 23 is sleeved on the connecting head 22, and the inner thread of the screw cap 23 is provided with the internal thread 231, so when measuring When the two flow pipes C of the flow are connected to the two connecting heads 22 of the two connecting pieces 20, the connecting head 22 of the connecting piece 20 can be separated from the connecting sleeve 21 only by turning the screw cap 23 of the connecting piece 20 Or it can be combined to facilitate the assembly and disassembly of the two pipelines C that want to measure the flow, increasing the convenience of the creation in repair and maintenance.

10: Circulation tube 11: Tube body 12: fixing hole 20: Connector 21: connecting sleeve 211: External thread 212: positioning groove 22: connector 221: Connection 222: Joint 23: Screw cover 231: internal thread 232: Abutment 233: Piercing 24: Stop ring 30: Link 31: Clamping block 311: Block 312: Fixed part 313: Joint 314: Groove 32: Leakproof ring 40: Sensor rod 41: Impeller 50: display C: pipeline

FIG. 1 is a perspective view of the appearance of a preferred embodiment of the present creation. Figure 2 is a partial cross-sectional view of a preferred embodiment of the present creation. Figure 3 is a partial exploded view of the preferred embodiment of the present creation. FIG. 4 is a perspective view of one of the clamping blocks in the preferred embodiment of the present creation. FIG. 5 is a schematic diagram of the usage status of the preferred embodiment of the present creation.

10: Circulation tube

11: Tube body

20: Connector

21: connecting sleeve

22: connector

221: Connection

222: Joint

23: Screw cover

232: Abutment

24: Stop ring

30: Link

31: Clamping block

311: Block

312: Fixed part

313: Joint

32: Leakproof ring

40: Sensor rod

41: Impeller

Claims (4)

A flow measurement device, including: A circulation pipe, which includes a pipe body and a fixing hole, the fixing hole penetrates the pipe body, and the fixing hole communicates with the inside of the pipe body; A connecting piece, which includes two clamping blocks and a leak-proof ring, two clamping blocks clamp the pipe body, one of the clamping blocks includes a body, a groove, and respectively protruding from the block A fixing part and a joint part on both sides of the body, the fixing part is penetrated through the fixing hole, the concave groove is annularly arranged on the block body of the clamping block, and the concave groove surrounds the fixing part, and the leakage prevention A ring is embedded in the groove, and the leak-proof ring is pressed against the tube body; and A sensing rod is combined with a joint portion of the clamping block, and one end of the sensing rod passes through the clamping block. An end of the sensing rod passing through the clamping block is provided with an impeller. The impeller Located inside the tube. The flow measurement device according to claim 1, wherein the flow measurement device includes two connecting pieces, the two connecting pieces are respectively provided at both ends of the pipe body, and each connecting piece includes a connecting sleeve, a connecting head and a A screw-on cover, the connection sleeve is sleeved on the tube body, and an outer thread of the connection sleeve is provided with an external thread, the connection head is sleeved by the screw-on cover, and the inside of the connection head communicates with the inside of the tube body , The screw cap is cylindrical and includes an internal thread, the internal thread is located on the inner circumferential surface of the screw cap and the screw lock is fixed to the external thread of the connecting sleeve, so that the screw cap can fix the connecting head to The connection sleeve. The flow measurement device according to claim 2, wherein one end of the connecting sleeve of each connecting member is concavely provided with a positioning groove in a ring shape, each connecting member includes a leakage stop ring, and the leakage stop ring of the connecting member is embedded in In the positioning groove of the connecting sleeve of the connecting member, the connecting head of each connecting member includes an engaging portion, the engaging portion is annular and located at one end of the connecting head, and the engaging portion abuts against the leakage stop ring of the connecting member. The flow measurement device according to claim 2 or 3, wherein the screw cap of each connecting member includes an abutting portion and a perforation, the abutting portion is located at one end of the screw cap, and the perforation passes through the screw cap The abutting portion, the connecting head of each connecting member includes a connecting portion, the connecting portion is cylindrical, and the connecting portion passes through the perforation of the screw cap of the connecting member.

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