CN213335987U - Optical distance ruler of medical linear accelerator - Google Patents

Abstract

The utility model provides a medical linear accelerator beam distance chi, including optical path indicator, connected device, first inserting groove, first sealing washer, second inserting groove, second sealing washer, but projection measurement closing plate structure can contrast the projection board structure, can seal the connecting plate structure, and the fixed plate, the bull head screw cleans the pipe, and the wiping arm cleans cloth, catch bar and cleans the slide opening. The arrangement of the plug board, the sealing gasket, the connecting board, the silica gel pad and the optical path indicator is beneficial to preventing dust from entering the optical path indicator in the working process and increasing the dustproof function; the fixed plate, the wiping pipe, the wiping rod, the wiping cloth, the pushing rod and the wiping sliding hole are arranged, so that the wiping work of the surfaces of the first projection plate and the second projection plate is facilitated, and the cleaning work is convenient; the arrangement of the connecting mounting plate, the connecting hole and the countersunk head screw is beneficial to the installation work of the optical path indicator and is convenient for the optical path indicator to work.

Description

Optical distance ruler of medical linear accelerator

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a medical linear accelerator optical distance chi.

Background

An optical distance indicating ruler of a medical linear accelerator is a device for indicating the lifting height of treatment equipment through light, and is called a ranging ruler for short. The existing distance ruler consists of 3 light emitters, 2 light emitters form a group of cross lines, and the intersection points of the cross lines are matched with another group of light path indicating lamps.

But current beam gage still has the in-process that uses and does not possess dustproof function, inconvenient work of wiping and the inconvenient problem of dismantling.

Therefore, it is necessary to invent a linear accelerator optical distance ruler for medical use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a medical linear accelerator optical distance chi to solve current optical distance chi and have not possessing dustproof function at the in-process that uses, inconvenient work of cleaning and the inconvenient problem of dismantling. A medical linear accelerator optical distance ruler comprises an optical path indicator, a connecting device, a first inserting groove, a first sealing ring, a second inserting groove, a second sealing ring, a projectable measuring sealing plate structure, a projectable plate structure, a sealable connecting plate structure, a fixing plate, a round-head screw, a wiping tube, a wiping rod, wiping cloth, a push rod and a wiping slide hole, wherein the first inserting groove is formed in the middle position inside the upper side of the optical path indicator; the connecting equipment is connected to the left side of the optical path indicator through a screw; the first sealing rings are respectively glued on the inner walls of the left side and the right side of the first inserting groove; the second inserting groove is formed in the middle of the inner portion of the right side of the upper end of the optical path indicator; the second sealing rings are respectively glued on the inner walls of the left side and the right side of the second inserting groove; the projective measuring sealing plate structure is arranged in the middle of the upper inner part of the first inserting groove; the projection plate structure capable of being contrasted is arranged in the middle of the inner parts of the left side and the right side of the second inserting groove; the sealable connecting plate is mounted on the right side of the outer wall of the optical path indicator in a structure; the round head screws respectively penetrate through the middle positions inside the left side and the right side of the fixing plate; the upper end of the wiping rod is in threaded connection with the middle position of the lower end of the wiping pipe; the wiping cloths are respectively inserted in the middle positions of the inner parts of the left side and the right side of the wiping tube; the wiping sliding hole is formed in the middle of the inner part of the fixing plate; the wiping rod penetrates through the wiping sliding hole; the lower end of the wiping rod is welded in the middle of the upper end of the push rod; the structure of the sealing plate capable of being measured in a projection mode comprises a plug board, a sealing gasket, a first projection board, a third sealing ring and scale marks, wherein the sealing gasket is glued to the lower end of the plug board; the upper end of the first projection plate is glued and connected to the middle position of the lower end of the plug board; the third sealing rings are respectively glued on the front surface and the rear surface of the first projection plate; the scale marks are sequentially drawn in the middle of the front surface of the first projection plate from top to bottom.

Preferably, the contrasting projection plate structure comprises a connecting plate, a silica gel pad, a second projection plate, a fourth sealing ring and a rice-shaped pattern, wherein the silica gel pad is glued at the lower end of the connecting plate; the upper end of the second projection plate is glued in the middle of the lower end of the connecting plate; the fourth sealing rings are respectively glued on the front surface and the rear surface of the second projection plate; the rice-shaped pattern is carved in the middle of the front surface of the second projection plate.

Preferably, the sealable connecting plate structure comprises a connecting mounting plate, fixing through holes, connecting holes, countersunk head screws, a silica gel ring, flat head screws and a spring pad, wherein the fixing through holes are respectively formed in the middle positions inside the upper end and the lower end of the connecting mounting plate; the connecting hole is formed in the middle of the inside of the connecting mounting plate; the countersunk head screw is in threaded connection with the middle position of the front surface of the connecting mounting plate; the silica gel ring is glued on the right side of the connecting and mounting plate; the flat head screws respectively penetrate through the fixing through holes; the spring pads are respectively sleeved on the left sides of the outer walls of the flat head screws.

Preferably, the first projection plate is a transparent glass plate with the thickness of two millimeters to five millimeters; the scale marks are scale marks taking centimeters as units.

Preferably, the first sealing ring and the second sealing ring are respectively silica gel rings; the wiping cloth is cotton cloth.

Preferably, the lower end of the first projection plate is inserted in the middle of the upper inner part of the first insertion groove; the sealing gasket is a rubber gasket; the third sealing ring is a sponge ring; the third sealing ring is arranged between the first sealing rings.

Preferably, the second projection plate is a glass plate with the thickness of three millimeters to five millimeters; and the fourth sealing ring is a sponge ring.

Preferably, the lower end of the second projection plate is inserted in the middle of the upper inner part of the second insertion groove; and the fourth sealing ring is arranged between the second sealing rings.

Preferably, the connecting and mounting plate is made of a stainless steel plate; the connecting holes are arranged among the fixing through holes.

Preferably, the right end of the optical path indicator penetrates through the middle position inside the connecting hole.

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

1. the utility model discloses in, the plugboard, sealed the pad, the connecting plate, the setting of silica gel pad and optical path indicator is favorable to carrying out the in-process of work and prevents that the dust from getting into the inside of optical path indicator, increases dustproof function.

2. The utility model discloses in, the fixed plate, clean the pipe, the wiping arm cleans cloth, the catch bar with clean the setting of slide opening, be favorable to carrying out the work of cleaning on first projection board and second projection board surface, conveniently clear up the work.

3. The utility model discloses in, the connection mounting panel, the setting of connecting hole and countersunk screw is favorable to carrying out optical path indicator installation work, makes things convenient for the optical path indicator to carry out work.

4. The utility model discloses in, first projection board, the third sealing washer, the setting of first inserting groove and first sealing washer is favorable to fixed first projection board, prevents that first projection board from rocking at the in-process of work.

5. The utility model discloses in, the setting of second projection board and fourth sealing washer, be favorable to preventing at the in-process of work that the second projection board from rocking.

6. The utility model discloses in, the connection mounting panel, the setting of fixed through hole and crew cut screw is favorable to carrying out optical path indicator installation and fixed work, makes things convenient for the optical path indicator to carry out work.

7. The utility model discloses in, the setting of cleaning the pipe and cleaning cloth, be favorable to cleaning cloth change work, the work is cleared up to first projection board and second projection board to the convenience.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the projective sealing plate structure of the present invention.

Fig. 3 is a schematic structural diagram of the contrasting projection plate structure of the present invention.

Fig. 4 is a schematic structural diagram of the sealable connecting plate structure of the present invention.

In the figure:

1. an optical path indicator; 2. connecting equipment; 3. a first insertion groove; 4. a first seal ring; 5. a second insertion groove; 6. a second seal ring; 7. the sealing plate structure can be measured in a projection manner; 71. a plugboard; 72. a gasket; 73. a first projection plate; 74. a third seal ring; 75. scale lines; 8. the structure of the projection plate can be contrasted; 81. a connecting plate; 82. a silica gel pad; 83. a second projection plate; 84. a fourth seal ring; 85. a rice-shaped pattern; 9. a sealable web structure; 91. connecting the mounting plate; 92. a fixing through hole; 93. connecting holes; 94. a countersunk head screw; 95. a silica gel ring; 96. a flat head screw; 97. a spring pad; 10. a fixing plate; 11. a round head screw; 12. wiping the tube; 13. a wiping lever; 14. wiping cloth; 15. a push rod; 16. and wiping the sliding hole.

Detailed Description

The present invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1 and fig. 2, a medical linear accelerator optical distance ruler comprises an optical path indicator 1, a connection device 2, a first insertion groove 3, a first seal ring 4, a second insertion groove 5, a second seal ring 6, a projectable measurement seal plate structure 7, a projectable projection plate structure 8, a sealable connection plate structure 9, a fixed plate 10, a round head screw 11, a wiping tube 12, a wiping rod 13, a wiping cloth 14, a push rod 15 and a wiping slide hole 16, wherein the first insertion groove 3 is arranged at an upper inner middle position of the optical path indicator 1; the connecting device 2 is screwed on the left side of the optical path indicator 1; the first sealing rings 4 are respectively glued on the inner walls of the left side and the right side of the first inserting groove 3; the second inserting groove 5 is formed in the middle of the inner portion of the right side of the upper end of the optical path indicator 1; the second sealing rings 6 are respectively glued on the inner walls of the left side and the right side of the second inserting groove 5; the projective measuring sealing plate structure 7 is arranged in the middle of the upper inner part of the first inserting groove 3; the projection plate structure 8 capable of being contrasted is arranged in the middle of the inner parts of the left side and the right side of the second inserting groove 5; the sealable connecting plate structure 9 is arranged on the right side of the outer wall of the optical path indicator 1; the round head screws 11 respectively penetrate through the middle positions of the inner parts of the left side and the right side of the fixing plate 10; the upper end of the wiping rod 13 is in threaded connection with the middle position of the lower end of the wiping pipe 12; the wiping cloths 14 are respectively inserted in the middle positions of the left and right inner sides of the wiping tube 12; the wiping slide hole 16 is arranged in the middle of the inner part of the fixed plate 10; the wiping rod 13 penetrates through the wiping sliding hole 16; the lower end of the wiping rod 13 is welded at the middle position of the upper end of the pushing rod 15; the projective measurement sealing plate structure 7 comprises a plug plate 71, a sealing gasket 72, a first projection plate 73, a third sealing ring 74 and scale marks 75, wherein the sealing gasket 72 is glued at the lower end of the plug plate 71; the upper end of the first projection plate 73 is glued at the middle position of the lower end of the plug-in board 71; the third sealing rings 74 are respectively glued on the front surface and the rear surface of the first projection plate 73; the scale lines 75 are sequentially drawn in the middle of the front surface of the first projection plate 73 from top to bottom; after the optical path indicator 1 is fixed, the first projection plate 73 is inserted into the middle position inside the upper side of the first insertion groove 3, and the gap between the insertion plate 71 and the optical path indicator 1 is sealed by the sealing gasket 72, so that dust is prevented from entering the middle position inside the optical path indicator 1, and a dustproof function is added.

In this embodiment, referring to fig. 3, the contrasting projection plate structure 8 includes a connecting plate 81, a silica gel pad 82, a second projection plate 83, a fourth sealing ring 84 and a m-shaped pattern 85, wherein the silica gel pad 82 is adhesively connected to the lower end of the connecting plate 81; the upper end of the second projection plate 83 is glued to the middle position of the lower end of the connecting plate 81; the fourth sealing rings 84 are respectively glued on the front surface and the rear surface of the second projection plate 83; the rice-shaped pattern 85 is carved in the middle of the front surface of the second projection plate 83; after the first projection plate 73 is fixed, the second projection plate 83 is inserted into the middle position inside the upper side of the second insertion groove 5, and the fourth sealing ring 84 and the second sealing ring 6 are mutually extruded to prevent the second projection plate 83 from shaking to influence the work in the working process.

In this embodiment, referring to fig. 4, the sealable connecting plate structure 9 includes a connecting mounting plate 91, fixing through holes 92, connecting holes 93, countersunk screws 94, silicone rings 95, flat screws 96 and spring pads 97, wherein the fixing through holes 92 are respectively formed in the middle positions inside the upper and lower ends of the connecting mounting plate 91; the connecting hole 93 is formed in the middle of the inside of the connecting mounting plate 91; the countersunk head screw 94 is screwed in the middle of the front surface of the connecting mounting plate 91; the silica gel ring 95 is glued on the right side of the connecting and mounting plate 91; the flat head screws 96 respectively penetrate through the fixing through holes 92; the spring pads 97 are respectively sleeved on the left sides of the outer walls of the flat head screws 96; during working, the right end of the optical path indicator 1 is inserted into the middle position inside the connecting hole 93, then the countersunk screw 94 is screwed, and the flat head screw 96 is used for installing the connecting installation plate 91 at a proper position, so that the installation and fixing work is convenient, and the optical path indicator 1 can work conveniently.

In this embodiment, specifically, the first projection plate 73 is a transparent glass plate with a thickness of two millimeters to five millimeters; the scale marks 75 are in units of centimeters.

In this embodiment, specifically, the first sealing ring 4 and the second sealing ring 6 are respectively a silica gel ring; the wiping cloth 14 is made of cotton cloth.

In this embodiment, specifically, the lower end of the first projection plate 73 is inserted into the middle position inside the upper side of the first insertion groove 3; the sealing gasket 72 is a rubber gasket; the third sealing ring 74 is a sponge ring; the third seal 74 is disposed between the first seals 4.

In this embodiment, specifically, the second projection plate 83 is a glass plate with a thickness of three millimeters to five millimeters; the fourth sealing ring 84 is a sponge ring.

In this embodiment, specifically, the lower end of the second projection plate 83 is inserted into the middle position inside the upper side of the second insertion groove 5; the fourth seal 84 is disposed between the second seals 6.

In this embodiment, specifically, the connection mounting plate 91 is a stainless steel plate; the coupling holes 93 are provided between the fixing through holes 92.

In this embodiment, specifically, the right end of the optical path indicator 1 penetrates through the middle position inside the connection hole 93.

Principle of operation

In the utility model, when in operation, the right end of the optical path indicator 1 is inserted in the middle position inside the connecting hole 93, then the countersunk screws 94 are screwed down, the connection mounting plate 91 is mounted at a proper position by using the countersunk screws 96, the mounting and fixing work is convenient, the optical path indicator 1 works conveniently, after the optical path indicator 1 is fixed, the first projection plate 73 is inserted at the middle position of the upper inner part of the first insertion groove 3, the gap between the socket plate 71 and the optical path indicator 1 is sealed by the sealing gasket 72 to prevent dust from entering the middle position inside the optical path indicator 1, and the dustproof function is added, after the first projection plate 73 is fixed, the second projection plate 83 is inserted in the middle position inside the upper side of the second insertion groove 5, the fourth sealing ring 84 and the second sealing ring 6 are mutually pressed, so that the second projection plate 83 is prevented from shaking to influence the work in the working process.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The medical linear accelerator optical distance ruler is characterized by comprising an optical path indicator (1), a connecting device (2), a first inserting groove (3), a first sealing ring (4), a second inserting groove (5), a second sealing ring (6), a projective measuring sealing plate structure (7), a projectable projection plate structure (8), a sealable connecting plate structure (9), a fixing plate (10), a round-head screw (11), a wiping tube (12), a wiping rod (13), wiping cloth (14), a push rod (15) and a wiping slide hole (16), wherein the first inserting groove (3) is formed in the middle position inside the upper side of the optical path indicator (1); the connecting device (2) is connected to the left side of the optical path indicator (1) through screws; the first sealing rings (4) are respectively glued on the inner walls of the left side and the right side of the first inserting groove (3); the second inserting groove (5) is formed in the middle of the inner portion of the right side of the upper end of the optical path indicator (1); the second sealing rings (6) are respectively glued on the inner walls of the left side and the right side of the second inserting groove (5); the projective measuring sealing plate structure (7) is arranged in the middle of the upper side inside the first inserting groove (3); the projection plate structure (8) capable of being contrasted is arranged in the middle of the inner parts of the left side and the right side of the second inserting groove (5); the sealable connecting plate structure (9) is arranged on the right side of the outer wall of the optical path indicator (1); the round head screws (11) respectively penetrate through the middle positions of the inner parts of the left side and the right side of the fixing plate (10); the upper end of the wiping rod (13) is in threaded connection with the middle position of the lower end of the wiping pipe (12); the wiping cloths (14) are respectively inserted in the middle positions of the inner parts of the left side and the right side of the wiping pipe (12); the wiping sliding hole (16) is formed in the middle of the inner part of the fixing plate (10); the wiping rod (13) penetrates through the wiping sliding hole (16); the lower end of the wiping rod (13) is welded at the middle position of the upper end of the push rod (15); the projective measurement sealing plate structure (7) comprises a plug board (71), a sealing gasket (72), a first projection board (73), a third sealing ring (74) and scale marks (75), wherein the sealing gasket (72) is glued at the lower end of the plug board (71); the upper end of the first projection plate (73) is glued at the middle position of the lower end of the plug plate (71); the third sealing rings (74) are respectively glued on the front surface and the rear surface of the first projection plate (73); the scale marks (75) are sequentially drawn in the middle of the front surface of the first projection plate (73) from top to bottom.

2. The linear accelerator beam gage of claim 1, wherein the contrasting projection plate structure (8) comprises a connecting plate (81), a silicone pad (82), a second projection plate (83), a fourth sealing ring (84) and a m-shaped pattern (85), wherein the silicone pad (82) is glued to the lower end of the connecting plate (81); the upper end of the second projection plate (83) is glued at the middle position of the lower end of the connecting plate (81); the fourth sealing rings (84) are respectively glued on the front surface and the rear surface of the second projection plate (83); the rice-shaped pattern (85) is carved in the middle of the front surface of the second projection plate (83).

3. The linear accelerator optical range rod of claim 1, wherein the sealable connecting plate structure (9) comprises a connecting mounting plate (91), fixing through holes (92), connecting holes (93), countersunk screws (94), a silicone ring (95), flat head screws (96) and a spring pad (97), the fixing through holes (92) are respectively arranged at the middle positions inside the upper end and the lower end of the connecting mounting plate (91); the connecting hole (93) is formed in the middle of the inside of the connecting mounting plate (91); the countersunk head screw (94) is in threaded connection with the middle position of the front surface of the connecting mounting plate (91); the silica gel ring (95) is glued to the right side of the connecting and mounting plate (91); the flat head screws (96) respectively penetrate through the fixing through holes (92); the spring pads (97) are respectively sleeved on the left side of the outer wall of the flat head screw (96).

4. The linear accelerator optical distance ruler of claim 1, wherein the first projection plate (73) is a two-mm to five-mm thick transparent glass plate; the scale marks (75) are scale marks in centimeters.

5. The linear accelerator optical distance ruler of claim 1, wherein the first sealing ring (4) and the second sealing ring (6) are silicone rings; the wiping cloth (14) is made of cotton cloth.

6. The linear accelerator optical distance ruler of claim 1, wherein the lower end of the first projection plate (73) is inserted in the middle of the upper inner part of the first insertion groove (3); the sealing gasket (72) is a rubber gasket; the third sealing ring (74) adopts a sponge ring; the third sealing ring (74) is arranged between the first sealing rings (4).

7. The linear accelerator optical distance ruler of claim 1, wherein the lower end of the first projection plate (73) is inserted in the middle of the upper inner part of the first insertion groove (3); the sealing gasket (72) is a rubber gasket; the third sealing ring (74) adopts a sponge ring; the third sealing ring (74) is arranged between the first sealing rings (4).

8. The linear accelerator optical distance ruler of claim 2, wherein the second projection plate (83) is a glass plate with a thickness of three mm to five mm; the fourth sealing ring (84) is a sponge ring.

9. The linear accelerator optical distance ruler of claim 2, wherein the lower end of the second projection plate (83) is inserted in the middle of the upper inner part of the second insertion groove (5); the fourth sealing ring (84) is arranged between the second sealing rings (6).

10. The linear accelerator optical range rod of claim 3, wherein the connecting and mounting plate (91) is made of stainless steel plate; the connecting holes (93) are arranged between the fixing through holes (92).

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