CN217408806U

CN217408806U - Mechanical sphygmomanometer

Info

Publication number: CN217408806U
Application number: CN202220709373.6U
Authority: CN
Inventors: 吴宝国
Original assignee: Wenzhou Dongfang Medical Equipment Co ltd
Current assignee: Wenzhou Dongfang Medical Equipment Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-13
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a mechanical sphygmomanometer, the key points of the technical proposal are that the mechanical sphygmomanometer comprises a gauge head and an air bag, a rubber tube is arranged between the air bag and the gauge head, an air inlet pipe is arranged on the gauge head, the air inlet pipe comprises a pipe body, a connecting pipe which is spliced and matched with the rubber tube is arranged in the middle of the pipe body, an annular accommodating cavity is formed between the connecting pipe and the pipe body, and a clamping mechanism which is used for clamping the rubber tube is arranged in the accommodating cavity; the clamping mechanism comprises a clamping ring, the clamping ring comprises an upper clamping ring and a lower clamping ring, one end of the upper clamping ring is hinged with one end of the lower clamping ring, and the other end of the upper clamping ring is connected with the other end of the lower clamping ring through a bolt; the pipe body is provided with a ring groove for the upper clamping ring and the lower clamping ring to pass through; through the setting of last clamp ring and clamp ring down, can avoid current rubber tube pipe diameter to be propped greatly and lead to droing not hard up when rubber tube that can make and connecting pipe zonulae occludens, avoided the pipe wall of rubber tube simultaneously because prop the damage that big attenuation leads to.

Description

Mechanical sphygmomanometer

Technical Field

The utility model relates to a sphygmomanometer technical field, concretely relates to mechanical type sphygmomanometer.

Background

The sphygmomanometer is an instrument for measuring blood pressure, also called a sphygmomanometer, and the common sphygmomanometer types comprise a mechanical sphygmomanometer, a mercury sphygmomanometer, an electronic sphygmomanometer and the like, while the mechanical sphygmomanometer is a sphygmomanometer which is commonly used at present, and compared with other sphygmomanometers, the mechanical sphygmomanometer has the advantages of low price, long service life, stable measurement and the like, so that the sphygmomanometer is widely applied to the measurement of blood pressure by people;

the head of the existing mechanical pressure gauge is connected with an air bag through a rubber pipe, and meanwhile, the rubber pipe is inserted in an air inlet pipe of the head, so that in order to ensure the sealing property, the outer diameter of the air inlet pipe is generally larger than the inner diameter of the rubber pipe, and the head of the existing mechanical pressure gauge and the air bag are stably connected through interference fit; however, at the joint of the rubber tube and the air inlet tube, the rubber tube is stretched by the connecting tube to deform, so that the inner diameter of the connecting tube is increased, and the rubber tube is easy to loose connection and fall off after being used for a long time; meanwhile, the pipe wall of the rubber pipe at the joint can become thin, and after the rubber pipe is used for a long time, the thin part of the pipe wall of the rubber pipe is easy to age and damage, so that gas leakage is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a mechanical type sphygmomanometer has avoided the rubber tube to be strutted and has leaded to the pipe wall attenuation to cause deformation aging with higher speed, can press from both sides tightly the rubber tube simultaneously, has avoided its damage.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the mechanical sphygmomanometer comprises a meter head and an air bag, wherein a rubber tube is arranged between the air bag and the meter head, and the mechanical sphygmomanometer is characterized in that an air inlet tube is arranged on the meter head and comprises a tube body, a connecting tube which is in plug-in fit with the rubber tube is arranged in the middle of the tube body, an annular accommodating cavity is formed between the connecting tube and the tube body, and a clamping mechanism for clamping the rubber tube is arranged in the accommodating cavity;

the clamping mechanism comprises a clamping ring, the clamping ring comprises an upper clamping ring and a lower clamping ring, one end of the upper clamping ring is hinged with one end of the lower clamping ring, and the other end of the upper clamping ring is connected with the other end of the lower clamping ring through a bolt; and the pipe body is provided with a ring groove for the upper clamping ring and the lower clamping ring to pass through.

The utility model discloses still further set up to, the surface of connecting pipe is provided with a pair of conical bulge loop that is, the bulge loop external diameter is big gradually along rubber tube male direction, and is a pair of be formed with the seal groove between the bulge loop, the grip ring is provided with a pair ofly and bulge loop assorted extrusion ring towards one side of connecting pipe, the extrusion ring is toper and external diameter and diminishes gradually along rubber tube male direction, the extrusion ring sets up with the bulge loop is crisscross.

The utility model is further provided with sliding grooves symmetrically arranged on the pipe body, sliding blocks are arranged in the sliding grooves, the upper clamping ring and the lower clamping ring are hinged on the sliding blocks, the upper clamping ring and the lower clamping ring are also provided with connecting plates which pass through the sliding grooves in an extending way, threaded holes are vertically arranged on the two connecting plates, and bolts which pass through the threaded holes are arranged between the upper clamping ring and the lower clamping ring; the one end that the body is close to the gauge outfit is provided with the fixed block that is located the sliding block moving path, be provided with the lead screw that is used for controlling the sliding block removal between fixed block and the sliding block, the one end of lead screw is connected with its pivoted driver of control.

The utility model discloses still further set up to, go up the clamp ring and have the rubber layer with the inboard parcel of clamp ring down.

The utility model discloses still further set up to, the external diameter of bulge loop is less than the internal diameter of rubber tube.

The utility model discloses still further set up to, the driver is including cup jointing at the toper tooth of lead screw one end and being located the rotatory hand (hold) on the fixed block, be connected through the bevel gear meshing between rotatory hand (hold) and the toper tooth.

To sum up, the beneficial effects of the utility model are that:

1. compared with the prior art, the connecting pipe is inserted into the rubber pipe, and the inner diameter of the rubber pipe is smaller than the outer diameter of the connecting pipe, so that the opening of the rubber pipe cannot be enlarged after the connection, thereby avoiding the condition that the connection is not firm or even the rubber pipe is separated due to the enlarged pipe diameter of the rubber pipe in the long-time use process; the rubber tube can be clamped on the connecting tube through the matching of the upper clamping ring and the lower clamping ring, so that the rubber tube is tightly pressed in the sealing groove, the sealing connection is realized, the rubber tube can be extruded by the extrusion ring and the convex ring, and the connection between the rubber tube and the connecting tube is tighter; meanwhile, the extrusion rings and the convex rings are arranged in a staggered mode, so that a double-sealing effect can be achieved, and the sealing effect is better.

Drawings

Fig. 1 is a structural view of the present embodiment.

Fig. 2 is a sectional structure view of the intake pipe of the present embodiment.

Fig. 3 is a sectional view showing the structure of the clamping mechanism of the present embodiment.

FIG. 4 is a view showing a closed state of the upper clamp ring and the lower clamp ring according to the present embodiment.

Fig. 5 is a perspective view of the tube body of the present embodiment.

Fig. 6 is a perspective view of the connection pipe of the present embodiment.

Reference numerals: 1-header; 2-air bag; 3-a rubber tube; 4, an air inlet pipe; 401-a tube body; 402-connecting tube; 403-a containment chamber; 404-convex ring; 405-a seal groove; 5-a clamping mechanism; 501-an upper clamping ring; 502-lower clamp ring; 503-pressing ring; 504-ring groove; 6-a sliding groove; 601-a slider; 602-a connection plate; 603-a threaded hole; 604-fixed block; 605-a screw rod; 8-rotating the handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, the embodiment discloses a mechanical blood pressure meter, which includes a meter head 1 and an air bag 2, a rubber tube 3 is disposed between the air bag 2 and the meter head 1, an air inlet tube 4 is disposed on the meter head 1, the air inlet tube 4 includes a tube body 401, a connecting tube 402 that is in plug-in fit with the rubber tube 3 is disposed in the middle of the tube body 401, an annular accommodating cavity 403 is formed between the connecting tube 402 and the tube body 401, and a clamping mechanism 5 for clamping the rubber tube 3 is disposed in the accommodating cavity 403;

the clamping mechanism 5 comprises a clamping ring, the clamping ring comprises an upper clamping ring 501 and a lower clamping ring 502, one end of the upper clamping ring 501 is hinged with one end of the lower clamping ring 502, and the other end of the upper clamping ring 501 is connected with the other end of the lower clamping ring 502 through a bolt; the pipe body 401 is provided with a ring groove 504 for the upper clamping ring 501 and the lower clamping ring 502 to pass through.

A pair of conical convex rings 404 are arranged on the outer surface of the connecting pipe 402, the outer diameter of each convex ring 404 is gradually increased along the insertion direction of the rubber pipe 3, a sealing groove 405 is formed between the convex rings 404, a pair of extrusion rings 503 matched with the convex rings 404 are arranged on one side of each clamping ring facing the connecting pipe 402, the extrusion rings 503 are conical, the outer diameter of each extrusion ring 503 is gradually reduced along the insertion direction of the rubber pipe 3, and the extrusion rings 503 and the convex rings 404 are arranged in a staggered manner; as shown in fig. 2-6, when the upper clamping ring 501 and the lower clamping ring 502 are in an open state, the rubber tube 3 can be inserted into the accommodating cavity 403, and the connecting pipe 402 is located in the rubber tube 3, and then the upper clamping ring 501 and the lower clamping ring 502 are closed to the state shown in fig. 4, and at this time, the pressing ring at the end of the clamping ring far away from the airbag 2 is located in the sealing groove formed by the two convex rings 404, so as to press the rubber tube 3, and make the rubber tube and the connecting pipe 402 cling to each other, thereby realizing clamping and sealing of the rubber tube; meanwhile, the protruding rings and the extrusion rings are arranged in a staggered mode, the sealing effect of the rubber tube is improved, the clamping rings can clamp the rubber tube more firmly, and the rubber tube is prevented from falling off.

The pipe body 401 is further symmetrically provided with sliding grooves 6, sliding blocks 601 are arranged in the sliding grooves 6, the upper clamping ring 501 and the lower clamping ring 502 are hinged to the sliding blocks 601, the upper clamping ring 501 and the lower clamping ring 502 are further provided with connecting plates 602 extending through the sliding grooves 6, threaded holes 603 are vertically formed in the two connecting plates 602, and bolts penetrating through the threaded holes 603 are arranged between the upper clamping ring 501 and the lower clamping ring 502; a fixed block 604 positioned on the moving path of the sliding block 601 is arranged at one end of the pipe body 401 close to the gauge outfit 1, a screw rod 605 for controlling the sliding block 601 to move is arranged between the fixed block 604 and the sliding block 601, and one end of the screw rod 605 is connected with a driver for controlling the rotation of the screw rod 605; the sliding tray can drive the grip ring along the body with the design of sliding block and slide, as shown in fig. 5, after last grip ring passes through bolt interconnect with lower grip ring, connecting plate 602 can be located spout 6, when the rubber tube is not hard up, drive lead screw 605 rotates, can drive sliding block 601 and remove along spout 6 to the direction of keeping away from rubber tube 3, then the grip ring can remove together thereupon, thereby it is close to each other with the bulge loop to make two pairs of meeting complex extrusion rings mutually, thereby extrude the pipe wall of rubber tube 3, thereby further improve the firm in connection and the leakproofness between rubber tube and the connecting pipe, the life of rubber tube has been improved.

In this embodiment, the inner sides of the upper clamp ring 501 and the lower clamp ring 502 are wrapped with rubber layers, and the rubber layers can prevent the extrusion ring from damaging the outer surface of the rubber pipe.

In this embodiment, the outer diameter of the convex ring 404 is smaller than the inner diameter of the rubber tube 3.

In this embodiment, the driver includes a conical tooth 7 sleeved at one end of the screw 605 and a rotary handle 8 located on the fixed block 604, and the rotary handle 8 is engaged with the conical tooth 7 through a bevel gear.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The mechanical sphygmomanometer comprises a gauge head (1) and an air bag (2), wherein a rubber tube (3) is arranged between the air bag (2) and the gauge head (1), and the mechanical sphygmomanometer is characterized in that an air inlet tube (4) is arranged on the gauge head (1), the air inlet tube (4) comprises a tube body (401), a connecting tube (402) which is in plug-in fit with the rubber tube (3) is arranged in the middle of the tube body (401), an annular accommodating cavity (403) is formed between the connecting tube (402) and the tube body (401), and a clamping mechanism (5) for clamping the rubber tube (3) is arranged in the accommodating cavity (403);

the clamping mechanism (5) comprises a clamping ring, the clamping ring comprises an upper clamping ring (501) and a lower clamping ring (502), one end of the upper clamping ring (501) is hinged with one end of the lower clamping ring (502), and the other end of the upper clamping ring is connected with the other end of the lower clamping ring (502) through a bolt; the pipe body (401) is provided with a ring groove (504) for the upper clamping ring (501) and the lower clamping ring (502) to penetrate through.

2. The mechanical sphygmomanometer according to claim 1, wherein the outer surface of the connecting pipe (402) is provided with a pair of conical convex rings (404), the outer diameter of each convex ring (404) is gradually increased along the insertion direction of the rubber tube (3), a sealing groove (405) is formed between the pair of convex rings (404), one side of the clamping ring facing the connecting pipe (402) is provided with a pair of extrusion rings (503) matched with the convex rings (404), the extrusion rings (503) are conical, the outer diameter of each extrusion ring is gradually reduced along the insertion direction of the rubber tube (3), and the extrusion rings (503) and the convex rings (404) are arranged in a staggered mode.

3. The mechanical sphygmomanometer according to claim 2, wherein the tube body (401) is further symmetrically provided with a sliding groove (6), a sliding block (601) is arranged in the sliding groove (6), the upper clamping ring (501) and the lower clamping ring (502) are hinged to the sliding block (601), the upper clamping ring (501) and the lower clamping ring (502) are further provided with a connecting plate (602) extending through the sliding groove (6), two connecting plates (602) are vertically provided with threaded holes (603), and a bolt passing through the threaded hole (603) is arranged between the upper clamping ring (501) and the lower clamping ring (502); one end of the pipe body (401) close to the gauge outfit (1) is provided with a fixed block (604) located on a moving path of the sliding block (601), a screw rod (605) used for controlling the sliding block (601) to move is arranged between the fixed block (604) and the sliding block (601), and one end of the screw rod (605) is connected with a driver used for controlling the rotation of the screw rod (605).

4. The mechanical sphygmomanometer according to claim 1, wherein the upper and lower clamping rings (501, 502) are wrapped with a rubber layer on the inner side.

5. Mechanical sphygmomanometer according to claim 2, characterized in that the external diameter of said convex ring (404) is smaller than the internal diameter of the rubber tube (3).

6. The mechanical sphygmomanometer according to claim 3, wherein the driver comprises a conical tooth sleeved at one end of the screw rod (605) and a rotating handle (8) positioned on the fixed block (604), and the rotating handle (8) is in meshing connection with the conical tooth through a bevel gear.